Current Electricity

Related Questions

• Two electric bulbs whose resistances are in the ratio of 1 : 2 are connected in series. The powers dissipated in them have the ratio

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• Two electric bulbs rated ${P_1}$ watt V volts and ${P_2}$ watt V volts are connected in parallel and V volts are applied to it. The total power will be

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• In a neon discharge tube $2.9 \times {10^{18}}\,N{e^ + }$ ions move to the right each second while $1.2 \times {10^{18}}$ electrons move to the left per second. Electron charge is $1.6\times10^{-19}C$. The current in the discharge tube

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• If two electric bulbs have 40W and 60W rating at $220V$, then the ratio of their resistances will be

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• The arrangement as shown in figure is called as

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