POTENTIAL DIFFERENCE

If two ends of the conductor are at same potential, then there will be

• flow of electrons

• flow of protons

• no flow of electrons

• none of these

Device used to measure potential difference is

• Ammeter

• Odometer

• Barometer

• Voltmeter

Identify the correct equation for potential difference

• V=WQ

• V=W/Q

• V=W^2/Q

• V=W/Q^2

SI unit of potential difference is

• Volt

• Ampere

• Joule

• Coulomb/second

How much work is done in moving a charge of 3C across two points having a potential difference of 12 V.

• 4J

• 38 J

• 30 J

• 36 J

SI unit of electric charge is

• Ampere

• Volt

• coulomb

• Joule/coulomb