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Heat produced in an electric circuit depends
upon the potential difference, current and time
The cloctric bulb consists of the filament
whone melting point is low
Resistivity of pure metals is more than alloys.
Metal castings of all electrical appliances must
be cathed
During a short circuit, small amount of current
flows through it
Electric current, if very weak, does not
produce magnetic field
If the direction of electric current is reversed,
then the direction of the magnetic field would
also be reversed
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It can be reversible Change
Explanation:
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