The specification on a heater coil is 250V, 500W.

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Question:
The specification on a heater coil is $250 \mathrm{~V}, 500 \mathrm{~W}$. Calculate the resistance of the coil. What will be the resistance of the coil of $1000 \mathrm{~W}$ to operate at the same voltage?

Solution:

The specification on a heater coil is 250V, 500W.

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