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संबंधित प्रश्न
1 A = _________ mA
- 102
- 103
- 10-3
- 10-6
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?
A wire of length 5 m has a resistance of 2.0 Ω calculate:
(a) the resistance of wire of length 1 m
(b) the equivalent resistance if two such wires each of length 2 m are joined in parallel.
(c) the resistance of 1 m length of wire of same material but of half diameter.
A fuse is a short piece of wire of high ______ and low ______.
An auto lamp is joined to a battery of e.m.f. 4 V and internal resistance 2.5Ω. A steady current of 0.5 A flows through the circuit. Calculate the
(a) Total energy provided by battery in 10 minutes,
(b) Heat dissipated in the bulb in 10 minutes.
Give the electric current unit.
Which of the following represents voltage?
Which of the following is the example expression for Alternating Current?
What happens when the switch in a circuit is turned OFF (open circuit)?
