Revision Test Gen Sc.10 2nd Term

The unit of electric current is

• ohm

• ampere

• coulomb

• watt

What is the unit of electric charge?

• coulomb

• watt

• volt

• ampere

In parallel combination of resistors total current

• is not affected

• increases

• decreases

• may increase or decrease

The A.C we use in our homes has a frequency of

• 30 Hz

• 40 Hz

• 50 Hz

• 60 Hz

From grid stations power is distributed at------------- volts to 220 volts for domestic and commercial use.

• 1000

• 1100

• 10000

• 11000

Which of the following is not true?

• The unit of resistance is ohm.

• A resistance is a device used to store charge.

• The current in an open circuit is zero.

• Electric current in a conductor decreases as the voltage across it increase.

There are -----------micro farad in one Farad.

• 10

• 10³

• 10⁶

• 10⁹

Two cells each of 2 volts are connected in parallel.The total voltage across them will be

• zero volt

• 1 volt

• 2 volt

• 4 volt

Ammeter is used to measure

• resistance

• Charge

• current

• Capacitance

First laser was ----------------laser.

• solid

• Liquid

• gas

• mixture