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11111nata11111 [884]
3 years ago
11

If the current through a resistor is 12 A and the voltage drop is 12 V, what is the power absorbed by the resistor? Answer to th

e nearest 1 W. Assume the power equation is positive.
Physics
1 answer:
klasskru [66]3 years ago
7 0

Answer:

144 W

Explanation:

The power absorbed by a resistor is the product of the current passing through it and the voltage drop across it. Hence

P=IV

P=12\text{ A}\times12\text{ V}=144 \text{ W}

Other variations of this formula are derived using Ohm's law, V=IR

P=I^2R=\dfrac{V^2}{R}

R is the resistance of the resistor. It is what causes the voltage drop.

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