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. Q20 2024 Set A

   The resistance of any wire is 500 $\Omega$. Its electrical conductivity will be

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3. Q21 2024 Set A

   $n$ equal resistors are first connected in series and then in parallel. The ratio of maximum and minimum…

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