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zmey [24]
3 years ago
12

0. A 1700-W machine operates at 120 V. What i

Physics
1 answer:
kap26 [50]3 years ago
4 0

Option D

The resistance in machine is 8.5 ohms

<em><u>Solution:</u></em>

Given that,

Power = 1700 W

Voltage = 120 V

We have to find the resistance in machine

<em><u>The formula used is:</u></em>

P = \frac{V^2}{R}

Where,

"P" is the electric power and "V" is the voltage and "R" is the resistance

<em><u>Substituting the given values we get,</u></em>

1700 = \frac{120^2}{R}\\\\1700 = \frac{14400}{R}\\\\R = \frac{14400}{1700}\\\\R = \frac{144}{17}\\\\R = 8.47 \approx 8.5

Thus resistance in machine is 8.5 ohms

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