Physics quiz

A cell is used to :

• measure current

• provide current

• prevent current

• limit current

The unit of current is :

• ohm

• volt

• ampere

• coulomb

The insulator of electricity is :

• silk

• copper

• human body

• acidulated water

Current in a circuit flows :

• in the direction of electrons

• from high to low potential

• from low to high potential

• in any direction

On increasing the resistance in a circuit, the current :

• remains unchanged

• increases

• decreases

• nothing can be said

The current through 8 ohm resistor is :

• 1.5 A

• 0.6 A

• 0.8 A

• 1 A

The equivalent resistance between C and D is :

• 2.25 ohm

• 2.5 ohm

• 2.15 ohm

• 2.05 ohm

an electric appliance has a rating of 100 W, 120 V. The resistance of the appliance is :

• 100 ohm

• 120 ohm

• 144 ohm

• 135 ohm

The equivalent resistance between A and B is :

• 2.5 ohm

• 4.02 ohm

• 5 ohm

• 3 ohm

IEA is the short form of :

• International Energy Agency

• Indian Eco Academy

• International Eco Academy

• Indian Energy Association