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16 October, 12:14

A current of 0.3 ampere flows through a 2-ohm resistor. At what rate does the resistor release heat?

OA 6.7 W

B.

0.15 W

OC 0.6 W

D. 0.18 W

E.

0.5 W

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  1. 16 October, 12:29
    0
    D. 018 W

    Explanation:

    Power = current * voltage

    P = IV

    From Ohm's law, voltage = current * resistance

    V = IR

    Therefore:

    P = I²R

    Given I = 0.3 A and R = 2 Ω:

    P = (0.3 A) ² (2 Ω)

    P = 0.18 W
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