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प्रश्न
If the current passing through a conductor is doubled, what will be the change in heat produced
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उत्तर
If the current passing through a conductor is doubled, the heat produced will increase by four times because the heat produced is directly proportional to the square of the current
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संबंधित प्रश्न
Calculate the number of electrons constituting one coulomb of charge.
Which of the two is connected in series : ammeter or voltmeter?
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If the amount of electric charge passing through a conductor in 10 minutes is 300 C, the current flowing is:
(a) 30 A
(b) 0.3 A
(c) 0.5 A
(d) 5 A
V1, V2 and V3 are the p.ds. across the 1Ω, 2Ω and 3Ω resistors in the following diagram, and the current is 5 A.

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`V_1` `V_2` `V_3`
(a) 1.0 2.0 3.0
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(c) In which circuit, if one bulb blows out, all other will stop glowing?
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(ii) A current of 2 amperes passed through a resistance of 100 ohms.
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In semiconductors, the charge carriers are:
