1.

(a) State and explain joule's law of heating. (b) A resistance of 40 ohms and one of 60 ohms are arranged in series across 220 volts find heat in joules produced by this combination of resistance in half a minute.

Answer»

(a) State and explain joule's law of heating.
(b) A resistance of 40 ohms and one of 60 ohms are arranged in series across 220 volts find heat in joules produced by this combination of resistance in half a minute.



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