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RELATED QUESTIONS
What does an electric circuit mean?
A current of 4 A flows around a circuit for 10 s. How much charge flows past a point in the circuit in this time?
Why should the resistance of:
a voltmeter be very large?
A car headlight bulb working on a 12 V car battery draws a current of 0.5 A. The resistance of the light bulb is:
(a) 0.5 Ω
(b) 6 Ω
(c) 12 Ω
(d) 24 Ω
Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line.
(a) Which circuit would have the highest voltage across each bulb?
Christmas tree lamps are usually wired in series. What happens if one lamps breaks?
Name two devices which work on the heating effect of electric current.
An ammeter is always placed in parallel with the circuit.
Assertion (A): Electric current will not flow between two charged bodies when connected if their charges are the same.
Reason (R): Current is the rate of flow of charge.
