The power dissipated in a 4-ohm resistor carrying 3 A is
A)7 W.
B)18 W.
C)36 W.
D)48 W.
E)not enough information

Question

Quizplus · Accepted Answer

The formula to calculate power (P) is P = I^2 * R, where I is the current flowing through the resistor and R is the resistance of the resistor.

Substituting values in the formula, we get:

P = (3 A)^2 * 4 Ω
P = 9 * 4
P = 36 W

Therefore, the power dissipated in the 4-ohm resistor carrying 3 A is 36 W, which is option C.

The Power Dissipated in a 4-Ohm Resistor Carrying 3 a Is