In a household single phase induction type wattmeter, the meter can be reversed by: -

 In a household single phase induction type wattmeter, the meter can be reversed by: - a) reversing the supply terminals b) reversing the load terminal c) opening the meter connection and reversing either the potential coil terminals or current coil terminals d) opening the meter and reversing the connection of both the potential coil terminals and current coil terminals
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Answer :

 In a household single phase induction type wattmeter, the meter can be reversed by: - opening the meter connection and reversing either the potential coil terminals or current coil terminals 

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