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Question

The amperage of the fuse wire used in a circuit that works on $$230 \ V$$ is $$2.2 \ A$$. If so. the power of the device is

A
less than $$300 \ W$$
B
$$300 \ W$$ to $$500 \ W$$
C
between $$500 \ W$$ and $$510 \ W$$
D
more than $$510 \ W$$
Solution
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Correct option is C. between $$500 \ W$$ and $$510 \ W$$
The amperage of the fuse wire used in a circuit that works on $$V = 230 \ V$$ is $$i = 2.2 \ A$$.
Power, $$P = Vi = 230 \times 2.2 = 506 \ W$$

Hence, the power of the device is between $$500 \ W$$ and $$510 \ W$$.

The correct option is C.

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