Current Electricity

Bihar Board Class 12 · Physics · 60 past questions

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1. Q19 2024 Set A

   Two bulbs of 40 W and 60 W are connected to 220 V source. The ratio of their resistances will be

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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. Q50 2019

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

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4. Q59 2017

   A bulb rated 100w. 220 V is connected across 240 Volt. Calculate electrical power loss.

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