Class 8 th General Science ,4.Current Elecricity and Magnetism

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Student Name *

The SI unit of electric charge is the ................ *

2 points

second

coulomb.

ampere second

The SI unit of electric current is the ................ *

2 points

ampere.

coulomb.

jule

The SI unit of electric potential is the ............. *

2 points

ampere.

coulomb.

volt.

The potential difference between the two electrodes of the lead-acid cell is nearly..................... *

2 points

1 V

1.2 V

1.5 V

2 V

......... is a scalar quantity. *

2 points

Force

Acceleration

Velocity

Electric current

The SI unit of electric potential is the ampere. *

2 points

True

False

Very small current flows when lightning occurs. *

2 points

True

False

In a car battery, a current is produced by the flow of both negatively and positively charged particles. *

2 points

True

False

1 ampere = 1 coulomb per ............... *

2 points

minute

second.

volt

When a glass rod is rubbed on a silk cloth,the glass rod acquires........... charge. *

2 points

positive

negative

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