Quiz Physics

When glass rod rubbed with silk, electrons are transferred from the silk to the glass

• True

• False

When rubber rod rubbed with wool, electrons are transferred from the wool to the rubber

• True

• False

Charges of opposite sign ....... each other

• repel

• attract

Electric charge is .......

• conserved

• quantized

• conserved and quantized

Electric force is not ........

• conserved

• vector

• quantized

Electric force is inversely proportional to square of the distance between the two charges

• True

• False

The electric field of a charge Q is inversely proportional to the test charge q_o

•      True

• False

The electric field of a charge Q is proportional to this source charge

• True

• False

The electric field of a charge Q at a point is

• direct proportional to the distance

• inversely proportional to the distance

• inversely proportional to square of the distance

• none of previous

Unit of the electric field is

• C/N

• V/m

• both of previous