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Physics, 13.04.2021 09:20 tedrayoung1

An electric lamp consumes 60 watts at 220 volts. How many dry cells of EMF 1.5 volt and internal resistance 1 ohm are required to glow the lamp?

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An electric lamp consumes 60 watts at 220 volts. How many dry cells of EMF 1.5 volt and internal res...

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