Current electricity questions | form three Physics

Fuse wires are labeled 3A, 5A, 10A, 12A, 18A and 20A. Select the best fuse for a 240V; 2.856kW electric kettle.

Answer / Solution

UNSOLVED

Describe with the aid of circuit diagram, how would you determine the resistance of a conductor using the ammeter-voltmeter method.

Answer / Solution

UNSOLVED

In the circuit below, all resistors have equal resistance R. What is the effective resistance between P and Q?

A 2R
B 2R
C 32R
D 23R
E 3R

Answer / Solution

UNSOLVED

Discuss the charge distribution on
(i) the surface of a solid conductor of irregular shape
(ii) a hollow conductor
(iii) a lightning conductor as clouds pass over its spikes.

Answer / Solution

UNSOLVED

Resistors are components which are mainly used to ………..at different points in the circuit.

Answer / Solution

UNSOLVED