unit 2 lesson 1 electricity prep3 part 2

For measuring the potential difference by direct method the ---- apparatus is used.

• ammeter

• voltmeter

• ohmmeter

• voltammeter

To transfer electric charge of 10 coulomb between two points the potential difference between them is 20 volts........................joules are needed.

• 1/2

• 2

• 20

• 200

If the work done to transfer an electric charge of 2 coulomb between two points is

100 joule. the potential difference between these two points will be ----- volt.

• 50

• 100

• 200

• 0.5

To transfer electric charge of 10 coulomb between two points the potential difference between them is 20 volts........................joules are needed.

• 1/2

• 2

• 20

• 200

The unit that is used in measuring work is ---------

• ampere.

• joule.

• coulomb.

• ohm.

The ----------- is used to measure the e.m.f of a battery.

• voltmeter

• ammeter

• rheostat

• ohmmeter

The measuring unit of e.m.f is ...........................

• coulomb.

• ampere.

• ohm

• volt

Which of the following figures represents the right connection of the ammeter and voltmeter in a circuit ?

• 
• 
• 
• 

The measuring unit of e.m.f is ...........................

• coulomb.

• ampere.

• ohm

• volt

The measuring unit of e.m.f is ...........................

• coulomb.

• ampere.

• ohm

• volt