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Class 10 Exam  >  Class 10 Notes  >  Science Class 10  >  Visual Worksheet: Ohm's Law (with Solutions)

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 Page 1


# Question Answer
1.
If the voltage in a circuit is 12V and the resistance is 3 O,
what is the current?
2.
A circuit has a current of 5A and a resistance of 2O.
What is the voltage?
3.
The voltage in a circuit is 24V, and the current is 6A.
What is the resistance?
4.
A circuit with a resistance of 10O has a current of 2A.
What is the voltage?
5.
If the voltage is 9V and the current is 3A, what is the
resistance?
6. 
In a circuit, the voltage is 18V and the current is 3A. What
is the resistance?
7. 
If the resistance of a circuit is 4 O and the current is 10A,
what is the voltage? 
8.
A light bulb operates at 120V and has a resistance of
30 O. How much current does the light bulb use?
9.
A toaster draws a current of 8A when plugged into a 110V
outlet. What is the resistance of the toaster?
10.
A resistor with a value of 15 O is connected to a battery. If
the current flowing through the resistor is 0.5A, what is
the voltage across the resistor?
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 1: Simple Calculations
Use the formula for Ohm’s Law in order to find the correct answer to each question. Place
your answer in the box. Remember to use the correct unit of measure in your answer.
Page 2


# Question Answer
1.
If the voltage in a circuit is 12V and the resistance is 3 O,
what is the current?
2.
A circuit has a current of 5A and a resistance of 2O.
What is the voltage?
3.
The voltage in a circuit is 24V, and the current is 6A.
What is the resistance?
4.
A circuit with a resistance of 10O has a current of 2A.
What is the voltage?
5.
If the voltage is 9V and the current is 3A, what is the
resistance?
6. 
In a circuit, the voltage is 18V and the current is 3A. What
is the resistance?
7. 
If the resistance of a circuit is 4 O and the current is 10A,
what is the voltage? 
8.
A light bulb operates at 120V and has a resistance of
30 O. How much current does the light bulb use?
9.
A toaster draws a current of 8A when plugged into a 110V
outlet. What is the resistance of the toaster?
10.
A resistor with a value of 15 O is connected to a battery. If
the current flowing through the resistor is 0.5A, what is
the voltage across the resistor?
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 1: Simple Calculations
Use the formula for Ohm’s Law in order to find the correct answer to each question. Place
your answer in the box. Remember to use the correct unit of measure in your answer.
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 2: Multiple Choice Questions
Choose the correct letter as your answer for the following questions:
What happens to the current if the voltage is increased but the resistance remains the
same? 
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
1.
What happens to the current if the resistance is increased but the voltage remains the
same?
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
2.
If both the voltage and resistance are doubled in a circuit, what happens to the
current?
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
3.
Page 3


# Question Answer
1.
If the voltage in a circuit is 12V and the resistance is 3 O,
what is the current?
2.
A circuit has a current of 5A and a resistance of 2O.
What is the voltage?
3.
The voltage in a circuit is 24V, and the current is 6A.
What is the resistance?
4.
A circuit with a resistance of 10O has a current of 2A.
What is the voltage?
5.
If the voltage is 9V and the current is 3A, what is the
resistance?
6. 
In a circuit, the voltage is 18V and the current is 3A. What
is the resistance?
7. 
If the resistance of a circuit is 4 O and the current is 10A,
what is the voltage? 
8.
A light bulb operates at 120V and has a resistance of
30 O. How much current does the light bulb use?
9.
A toaster draws a current of 8A when plugged into a 110V
outlet. What is the resistance of the toaster?
10.
A resistor with a value of 15 O is connected to a battery. If
the current flowing through the resistor is 0.5A, what is
the voltage across the resistor?
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 1: Simple Calculations
Use the formula for Ohm’s Law in order to find the correct answer to each question. Place
your answer in the box. Remember to use the correct unit of measure in your answer.
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 2: Multiple Choice Questions
Choose the correct letter as your answer for the following questions:
What happens to the current if the voltage is increased but the resistance remains the
same? 
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
1.
What happens to the current if the resistance is increased but the voltage remains the
same?
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
2.
If both the voltage and resistance are doubled in a circuit, what happens to the
current?
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
3.
# Question Answer
1.
If the voltage in a circuit is 12V and the resistance is 3 O,
what is the current?
4 A
2.
A circuit has a current of 5A and a resistance of 2O.
What is the voltage?
10 V
3.
The voltage in a circuit is 24V, and the current is 6A.
What is the resistance?
4 O
4.
A circuit with a resistance of 10O has a current of 2A.
What is the voltage?
20 V
5.
If the voltage is 9V and the current is 3A, what is the
resistance?
3 O
6. 
In a circuit, the voltage is 18V and the current is 3A. What
is the resistance?
6 O
7. 
If the resistance of a circuit is 4 O and the current is 10A,
what is the voltage? 
40 V
8.
A light bulb operates at 120V and has a resistance of
30 O. How much current does the light bulb use?
4 A
9.
A toaster draws a current of 8A when plugged into a 110V
outlet. What is the resistance of the toaster?
13.75 O
10.
A resistor with a value of 15 O is connected to a battery. If
the current flowing through the resistor is 0.5A, what is
the voltage across the resistor?
7.5 V
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 1: Simple Calculations
Use the formula for Ohm’s Law in order to find the correct answer to each question. Place
your answer in the box. Remember to use the correct unit of measure in your answer.
Answer Key
Page 4


# Question Answer
1.
If the voltage in a circuit is 12V and the resistance is 3 O,
what is the current?
2.
A circuit has a current of 5A and a resistance of 2O.
What is the voltage?
3.
The voltage in a circuit is 24V, and the current is 6A.
What is the resistance?
4.
A circuit with a resistance of 10O has a current of 2A.
What is the voltage?
5.
If the voltage is 9V and the current is 3A, what is the
resistance?
6. 
In a circuit, the voltage is 18V and the current is 3A. What
is the resistance?
7. 
If the resistance of a circuit is 4 O and the current is 10A,
what is the voltage? 
8.
A light bulb operates at 120V and has a resistance of
30 O. How much current does the light bulb use?
9.
A toaster draws a current of 8A when plugged into a 110V
outlet. What is the resistance of the toaster?
10.
A resistor with a value of 15 O is connected to a battery. If
the current flowing through the resistor is 0.5A, what is
the voltage across the resistor?
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 1: Simple Calculations
Use the formula for Ohm’s Law in order to find the correct answer to each question. Place
your answer in the box. Remember to use the correct unit of measure in your answer.
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 2: Multiple Choice Questions
Choose the correct letter as your answer for the following questions:
What happens to the current if the voltage is increased but the resistance remains the
same? 
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
1.
What happens to the current if the resistance is increased but the voltage remains the
same?
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
2.
If both the voltage and resistance are doubled in a circuit, what happens to the
current?
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ______________
3.
# Question Answer
1.
If the voltage in a circuit is 12V and the resistance is 3 O,
what is the current?
4 A
2.
A circuit has a current of 5A and a resistance of 2O.
What is the voltage?
10 V
3.
The voltage in a circuit is 24V, and the current is 6A.
What is the resistance?
4 O
4.
A circuit with a resistance of 10O has a current of 2A.
What is the voltage?
20 V
5.
If the voltage is 9V and the current is 3A, what is the
resistance?
3 O
6. 
In a circuit, the voltage is 18V and the current is 3A. What
is the resistance?
6 O
7. 
If the resistance of a circuit is 4 O and the current is 10A,
what is the voltage? 
40 V
8.
A light bulb operates at 120V and has a resistance of
30 O. How much current does the light bulb use?
4 A
9.
A toaster draws a current of 8A when plugged into a 110V
outlet. What is the resistance of the toaster?
13.75 O
10.
A resistor with a value of 15 O is connected to a battery. If
the current flowing through the resistor is 0.5A, what is
the voltage across the resistor?
7.5 V
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 1: Simple Calculations
Use the formula for Ohm’s Law in order to find the correct answer to each question. Place
your answer in the box. Remember to use the correct unit of measure in your answer.
Answer Key
Ohm’s Law Worksheet
Name: _____________________ Date: ______________________
Part 2: Multiple Choice Questions
Choose the correct letter as your answer for the following questions:
What happens to the current if the voltage is increased but the resistance remains the
same? 
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ____(a)_________
1.
What happens to the current if the resistance is increased but the voltage remains the
same?
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ____(b)_________
2.
If both the voltage and resistance are doubled in a circuit, what happens to the
current?
a) The current increases.
b) The current decreases.
c) The current stays the same.
d) The current becomes zero.
Answer: ____(c)_________
3.
Answer Key
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FAQs on Visual Worksheet: Ohm's Law (with Solutions) - Science Class 10

1. What is Ohm's Law and how is it expressed mathematically?
Ans.Ohm's Law states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points. It is mathematically expressed as V = IR, where V is voltage, I is current, and R is resistance.
2. How can I calculate the resistance using Ohm's Law?
Ans.To calculate resistance using Ohm's Law, you can rearrange the equation to R = V/I. This means that resistance (R) is equal to the voltage (V) divided by the current (I).
3. What units are used in Ohm's Law, and what do they represent?
Ans.In Ohm's Law, voltage is measured in volts (V), current in amperes (A), and resistance in ohms (Ω). Each unit represents a different electrical quantity: volts measure electrical potential, amperes measure the flow of electric charge, and ohms measure the opposition to current flow.
4. How does temperature affect resistance in conductors according to Ohm's Law?
Ans.Temperature can significantly affect the resistance of conductors. Generally, as temperature increases, the resistance of most conductors also increases due to increased atomic vibrations that hinder the flow of electrons. This relationship is important in practical applications of Ohm's Law.
5. Can Ohm's Law be applied to all electrical components?
Ans.No, Ohm's Law does not apply to all electrical components. It is only applicable to ohmic materials, which have a constant resistance across a range of voltages and currents. Non-ohmic materials, such as diodes and transistors, do not follow Ohm's Law as their resistance changes with voltage and current.
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