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Mindmap: Current Electricity | Physics Class 12 - NEET PDF Download

Mindmap: Current Electricity | Physics Class 12 - NEET

The document Mindmap: Current Electricity | Physics Class 12 - NEET is a part of the NEET Course Physics Class 12.
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FAQs on Mindmap: Current Electricity - Physics Class 12 - NEET

1. What is current electricity?
Ans. Current electricity refers to the flow of electric charge in a conductor. It is a form of electricity that is produced when there is a continuous flow of electrons through a closed circuit.
2. What is the difference between AC and DC current?
Ans. AC (alternating current) and DC (direct current) are two different types of current electricity. AC current periodically changes direction, while DC current flows consistently in one direction. AC is commonly used in homes and businesses, while DC is often used in batteries and electronic devices.
3. How is current measured?
Ans. Current is measured in units called amperes (A). It can be measured using a device called an ammeter, which is connected in series with the circuit. The ammeter measures the amount of current flowing through the circuit.
4. What is Ohm's Law?
Ans. Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across the conductor and inversely proportional to the resistance of the conductor. It is represented by the equation I = V/R, where I is the current, V is the voltage, and R is the resistance.
5. How does resistance affect current flow?
Ans. Resistance is a property of a conductor that opposes the flow of current. As resistance increases, the current flow decreases. This can be explained by Ohm's Law, where a higher resistance value in the denominator of the equation results in a smaller current value.
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