CURRENT, POTENTIAL DIFFERENCE AND EMF

A straight line symbol shows the

• Fuse

• Diode

• Connecting wire

• Switch

Rate of flow of electric charge is

• Electric current

• Conventional current only

• Electronic current only

• Potential difference

Instrument which transfers energy to electric charge in a circuit is

• Battery

• Voltmeter

• Ammeter

• Galvanometer

If a current of 1A passes through a point in 1s then the charge passes that point is

• 2C

• 3C

• 1C

• 6C

Energy transfer per unit charge is

• E.M.F

• Current

• Potential difference

• Conventional current

Current in a circuit when a charge of 180C passes a point in a circuit in 2 minutes.

• 1.00 AM

• 2.00 A

• 3.00 A

• 1.5 A

Identify the conductor below

• Cloth rag

• Gold ring

• Plastic bottle

• Rubber eraser

Identify the insulator below

• Aluminium foil

• Rubber eraser

• Paper clip

• Gold ring

Current in a circuit depends on

• Resistance

• Potential difference

• Both A and B

• E.M.F

If the direction of current is from positive to negative, then it is called

• Electronic current

• Convectional current only

• Positronic current

• Protonic current