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प्रश्न
Name the instrument used to control the current in an electric circuit.
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उत्तर १
A rheostat is used to control current in an electric circuit.
उत्तर २
संबंधित प्रश्न
n electrons flow through a cross section of a conductor in time t. If charge on an electron is e, then write an expression for the current in the conductor.
Current in a circuit flows :
In transferring 1.5 C charge through a wire, 9 J of work is needed. Find the potential difference across the wire.
A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.
How is potential difference related to work done and quantity of charge?
Write SI unit of
Potential difference
A bulb is connected to a cell. How is the resistance of circuit affected if another identical bulb is connected (i) in series, (ii) in parallel, with the first bulb?
