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संबंधित प्रश्न
Why are metals good conductors of electricity whereas glass is a bad conductor of electricity? Give reason?
An electric circuit consisting of a 0.5 m long nichrome wire XY, an ammeter, a voltmeter, four cells of 1.5 V each and a plug key was set up.
(i) Draw a diagram of this electric circuit to study the relation between the potential difference maintained between the points 'X' and 'Y' and the electric current flowing through XY.
State the relation between work, charge and potential difference for an electric circuit.
Complete the following sentence:
A fuse is connected in ........... with the ......... wire.
What is the purpose of a fuse in an electrical circuit?
Calculate the current through a 60 W lamp rated 250 V. If the line voltage falls to 200 V, how is power consumed by the bulb affected?
At the time of short circuit, the electric current in the circuit ______.
In a vacuum, the particles that can act as charge carriers are:
