Physical Properties of the Electric Current

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

• ampere

• joule

• coulomb

• ohm

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.

• 0.5

• 2

• 20

• 200

The ammeter is used to measure the .............. in the electric circuit.

• potential difference

• e.m.f.

• resistance

• current intensity

The charges which transmitted by a current of one ampere in one second, is known as ..............

• coulomb

• volt

• ampere

• ohm

The .................. is known as the quantity of electric charge flowing through a cross-section of the conductor in one second.

• ampere

• coulomb

• electric resistance

• current intensity

The quantity of electricity flow in a conductor on passing electric current of intensity (2 ampere) through a cross-section of a conductor within a time (20 minute) equal ................ coulomb.

• 10

• 20

• 4

• 2400

The ampere= ..................

• joule/coulomb

• coulomb/sec.

• joule/sec.

• sec./coulomb

The flow of electric charge through a metal wire represents ......................

• resistance

• electric current intensity

• electric current

• potential difference

The ................ is the measuring unit of the electric charges.

• coulomb

• ampere

• volt

• no correct answer