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(a) A current of 15A flows through a load having a resistance of 4Ω .
Determine the power dissipated in the load.
(b) A wattmeter, whose current coil has a resistance of 0.02Ω is connected (as shown in Figure) to measure the power in the load.
Determine the wattmeter reading assuming the current in the load is still 15A
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