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All questions of Static Electricity for UPSC CSE Exam
What is static electricity?- a)The flow of electric current through a conductor
- b)Electricity generated by solar panels
- c)A stationary electric charge on an object
- d)The energy produced by wind turbines
Correct answer is option 'C'. Can you explain this answer?
What is static electricity?
a)
The flow of electric current through a conductor
b)
Electricity generated by solar panels
c)
A stationary electric charge on an object
d)
The energy produced by wind turbines
|
Paradigm Institute answered |
Static electricity refers to the imbalance of electric charges on an object, typically resulting from the transfer of electrons. It is called "static" because the charges remain stationary rather than flowing as an electric current.
Which of the following is an example of static electricity in nature?- a)Volcanic eruption
- b)Tidal wave
- c)Aurora borealis (Northern Lights)
- d)Earthquake
Correct answer is option 'C'. Can you explain this answer?
Which of the following is an example of static electricity in nature?
a)
Volcanic eruption
b)
Tidal wave
c)
Aurora borealis (Northern Lights)
d)
Earthquake
|
|
Paradigm Institute answered |
The aurora borealis, also known as the Northern Lights, is an example of static electricity in nature. It occurs when charged particles from the Sun's solar wind interact with the Earth's magnetic field, causing the emission of light.
Which of the following materials is a good conductor of electricity?- a)Rubber
- b)Glass
- c)Copper
- d)Plastic
Correct answer is option 'C'. Can you explain this answer?
Which of the following materials is a good conductor of electricity?
a)
Rubber
b)
Glass
c)
Copper
d)
Plastic
|
|
Paradigm Institute answered |
Copper is an excellent conductor of electricity. It has low electrical resistance, allowing electric current to flow through it with ease. Copper is commonly used in electrical wiring and other applications where efficient conduction is required.
What is the process of transferring charge between objects by bringing them into contact called?- a)Charging by friction
- b)Charging by induction
- c)Charging by conduction
- d)Charging by separation
Correct answer is option 'C'. Can you explain this answer?
What is the process of transferring charge between objects by bringing them into contact called?
a)
Charging by friction
b)
Charging by induction
c)
Charging by conduction
d)
Charging by separation
|
|
Paradigm Institute answered |
Charging by conduction is the process of transferring electric charge between objects by bringing them into direct contact. The charge is redistributed between the objects to equalize the electric potential.
What is the role of an insulator in preventing electric shocks?- a)To conduct electricity away from the body
- b)To increase the resistance of a circuit
- c)To prevent the flow of electric current
- d)To ground the electrical system
Correct answer is option 'C'. Can you explain this answer?
What is the role of an insulator in preventing electric shocks?
a)
To conduct electricity away from the body
b)
To increase the resistance of a circuit
c)
To prevent the flow of electric current
d)
To ground the electrical system
|
|
Paradigm Institute answered |
An insulator's role in preventing electric shocks is to inhibit or block the flow of electric current. By providing high resistance to the flow of electrons, insulators help prevent electric current from passing through and coming into contact with the body.
How does humidity affect static electricity?- a)Higher humidity decreases static electricity
- b)Higher humidity increases static electricity
- c)Humidity has no effect on static electricity
- d)Humidity creates static electricity
Correct answer is option 'A'. Can you explain this answer?
How does humidity affect static electricity?
a)
Higher humidity decreases static electricity
b)
Higher humidity increases static electricity
c)
Humidity has no effect on static electricity
d)
Humidity creates static electricity
|
KS Coaching Center answered |
Higher humidity levels can help reduce static electricity. This is because water molecules in the air can conduct electricity, allowing charges to dissipate more easily and preventing the buildup of static charges.
What is the purpose of a grounding wire?- a)To provide electrical power to a device
- b)To protect against electric shocks
- c)To increase the resistance of a circuit
- d)To store excess charge
Correct answer is option 'B'. Can you explain this answer?
What is the purpose of a grounding wire?
a)
To provide electrical power to a device
b)
To protect against electric shocks
c)
To increase the resistance of a circuit
d)
To store excess charge
|
Catalyst Learningacademy answered |
A grounding wire is used to provide a safe path for electric current to flow into the ground. It helps protect against electric shocks by diverting excess current away from the object or person.
What is an insulator?- a)A material that allows electricity to flow through it easily
- b)A material that does not allow electricity to flow through it easily
- c)A material that is always positively charged
- d)A material that is always negatively charged
Correct answer is option 'B'. Can you explain this answer?
What is an insulator?
a)
A material that allows electricity to flow through it easily
b)
A material that does not allow electricity to flow through it easily
c)
A material that is always positively charged
d)
A material that is always negatively charged
|
|
KS Coaching Center answered |
An insulator is a material that has high electrical resistance and does not allow electric current to flow through it easily. Examples of insulators include rubber, glass, and plastic.
What causes static electricity?- a)Flow of electrons
- b)Flow of protons
- c)Accumulation of electric charge
- d)Magnetic fields
Correct answer is option 'C'. Can you explain this answer?
What causes static electricity?
a)
Flow of electrons
b)
Flow of protons
c)
Accumulation of electric charge
d)
Magnetic fields
|
|
Catalyst Learningacademy answered |
Static electricity is caused by the accumulation of electric charges on an object. This can occur through various processes such as friction, induction, or contact with charged objects.
What is the SI unit of electric charge?- a)Volt
- b)Ampere
- c)Ohm
- d)Coulomb
Correct answer is option 'D'. Can you explain this answer?
What is the SI unit of electric charge?
a)
Volt
b)
Ampere
c)
Ohm
d)
Coulomb
|
|
Catalyst Learningacademy answered |
The SI unit of electric charge is the coulomb (C). One coulomb is defined as the amount of electric charge transported by a current of one ampere in one second.
Which statement about electric charges is true?- a)Like charges attract, and opposite charges repel
- b)Like charges repel, and opposite charges attract
- c)Like charges attract, and opposite charges neither attract nor repel
- d)Like charges repel, and opposite charges neither attract nor repel
Correct answer is option 'B'. Can you explain this answer?
Which statement about electric charges is true?
a)
Like charges attract, and opposite charges repel
b)
Like charges repel, and opposite charges attract
c)
Like charges attract, and opposite charges neither attract nor repel
d)
Like charges repel, and opposite charges neither attract nor repel
|
|
Catalyst Learningacademy answered |
Like charges, such as two positive charges or two negative charges, repel each other. Opposite charges, on the other hand, attract each other. This is a fundamental principle of electrostatics known as the Law of Electric Charges.
Which of the following is NOT a potential danger associated with static electricity?- a)Electric shocks
- b)Fires and explosions
- c)Power outages
- d)Damage to electronic devices
Correct answer is option 'C'. Can you explain this answer?
Which of the following is NOT a potential danger associated with static electricity?
a)
Electric shocks
b)
Fires and explosions
c)
Power outages
d)
Damage to electronic devices
|
|
KS Coaching Center answered |
Power outages are not directly associated with static electricity. However, electric shocks, fires and explosions, and damage to electronic devices can be potential dangers resulting from static electricity if not properly controlled or managed.
What is the phenomenon where static electricity causes objects to stick together called?- a)Electrostatic discharge
- b)Electromagnetic induction
- c)Coulomb's law
- d)Static cling
Correct answer is option 'D'. Can you explain this answer?
What is the phenomenon where static electricity causes objects to stick together called?
a)
Electrostatic discharge
b)
Electromagnetic induction
c)
Coulomb's law
d)
Static cling
|
|
KS Coaching Center answered |
Static cling is the phenomenon where static electricity causes objects, particularly lightweight and flexible materials like clothing or plastic wrap, to stick together or adhere to surfaces.
What happens to the electric charge of an object when it is grounded?- a)It loses all its charge
- b)Its charge increases
- c)Its charge decreases
- d)Its charge remains the same
Correct answer is option 'A'. Can you explain this answer?
What happens to the electric charge of an object when it is grounded?
a)
It loses all its charge
b)
Its charge increases
c)
Its charge decreases
d)
Its charge remains the same
|
|
KS Coaching Center answered |
When an object is grounded, any excess electric charge it carries is neutralized or dissipated. The grounding provides a pathway for the charge to flow into the ground, effectively removing the charge from the object.
Which of the following is an example of an insulator?- a)Copper
- b)Aluminum
- c)Wood
- d)Silver
Correct answer is option 'C'. Can you explain this answer?
Which of the following is an example of an insulator?
a)
Copper
b)
Aluminum
c)
Wood
d)
Silver
|
|
KS Coaching Center answered |
Wood is an example of an insulator. It does not conduct electricity well and is commonly used in applications where electrical insulation is required.
Which of the following is an example of static electricity?- a)Lightning
- b)Current in a light bulb
- c)Powering a computer
- d)Radioactive decay
Correct answer is option 'A'. Can you explain this answer?
Which of the following is an example of static electricity?
a)
Lightning
b)
Current in a light bulb
c)
Powering a computer
d)
Radioactive decay
|
|
KS Coaching Center answered |
Lightning is a natural phenomenon that involves the discharge of static electricity in the atmosphere. It occurs when there is a buildup of electrical charges in the clouds and the ground, leading to a rapid release of energy in the form of a lightning bolt.
What is the purpose of an antistatic wrist strap?- a)To protect against electric shocks
- b)To increase the resistance of a circuit
- c)To store excess charge
- d)To prevent static discharge
Correct answer is option 'A'. Can you explain this answer?
What is the purpose of an antistatic wrist strap?
a)
To protect against electric shocks
b)
To increase the resistance of a circuit
c)
To store excess charge
d)
To prevent static discharge
|
|
Paradigm Institute answered |
An antistatic wrist strap is worn by individuals working with sensitive electronic components to prevent the buildup and discharge of static electricity. It helps to protect against electric shocks that could damage the electronic devices.
Which of the following statements about lightning is true?- a)Lightning is an example of static electricity
- b)Lightning is an example of current electricity
- c)Lightning is caused by friction between two objects
- d)Lightning can only occur during thunderstorms
Correct answer is option 'A'. Can you explain this answer?
Which of the following statements about lightning is true?
a)
Lightning is an example of static electricity
b)
Lightning is an example of current electricity
c)
Lightning is caused by friction between two objects
d)
Lightning can only occur during thunderstorms
|
|
Catalyst Learningacademy answered |
Lightning is an example of static electricity because it involves the discharge of built-up static charges in the atmosphere. It occurs due to the separation and buildup of positive and negative charges in clouds and the ground.
Which of the following is a safety precaution when working with static electricity?- a)Touching grounded objects frequently
- b)Wearing rubber gloves
- c)Using flammable materials
- d)Working in a humid environment
Correct answer is option 'A'. Can you explain this answer?
Which of the following is a safety precaution when working with static electricity?
a)
Touching grounded objects frequently
b)
Wearing rubber gloves
c)
Using flammable materials
d)
Working in a humid environment
|
|
Catalyst Learningacademy answered |
Touching grounded objects frequently helps discharge any built-up static electricity on your body, reducing the risk of electrostatic discharge (ESD) and potential shocks.
What happens when two objects with opposite charges are brought close together?- a)They repel each other
- b)They attract each other
- c)The charges cancel each other out
- d)The objects become neutral
Correct answer is option 'B'. Can you explain this answer?
What happens when two objects with opposite charges are brought close together?
a)
They repel each other
b)
They attract each other
c)
The charges cancel each other out
d)
The objects become neutral
|
|
Paradigm Institute answered |
Objects with opposite charges, such as a positively charged object and a negatively charged object, attract each other. This attraction is due to the electrostatic force between the charges.
Chapter doubts & questions for Static Electricity - Lucent for GK 2025 is part of UPSC CSE exam preparation. The chapters have been prepared according to the UPSC CSE exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for UPSC CSE 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
Chapter doubts & questions of Static Electricity - Lucent for GK in English & Hindi are available as part of UPSC CSE exam.
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