Determine the power dissipated in the load, Physics

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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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