A torch bulb is rated 2.5 V and 750 mA. Calculate (i) its power, (ii) its
resistance and (iii) the energy consumed, if this bulb is lighted for four hours
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A torch bulb is rated 2.5 V and 750 mA. Calculate (i) its power, (ii) its
resistance and (iii) the energy consumed, if this bulb is lighted for four hours
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