Current Electricity

Bihar Board Class 12 · Physics · 60 past questions

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1. Q45 2019

   Power of an electric – circuit is

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2. Q46 2019

   When two bulbs of power 60 W and 40 W are connected in series, then the power of their combination will be

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3. Q48 2019

   At constant potential difference, the resistance of any electric circuit is halved, the value of heat…

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4. Q50 2019

   Two resistors of resistance ratio 3:4 are connected in parallel. Compare the magnitude of heat produced in…

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