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प्रश्न
Tick(✓) the correct choice in the following:
When the length of a conductor is doubled the resistance of the conductor
will
विकल्प
Remain same
Double in value
Become four times
Become one fourth
Become half
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उत्तर
Double in value
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संबंधित प्रश्न
1 A = _________ mA
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An electric bulb of resistance 20 Ω and a resistance wire of 4 Ω are connected in series with a 6 V battery.
Draw the circuit diagram, and calculate:
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(b) current through the circuit.
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(d) potential difference across the resistance wire.
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(b) The current at Y is greater than that at Z.
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(d) The current at X equals the current at Z.
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