What is the power consumed by a 10 ohm resistor when a current of 3 A flows thro

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Question: What is the power consumed by a 10 ohm resistor when a current of 3 A flows through it?

Options:

Correct Answer: 90 W

Solution:

Power P = I^2 * R = (3 A)^2 * 10 ohms = 9 * 10 = 90 W.

What is the power consumed by a 10 ohm resistor when a current of 3 A flows through it?

What is the power consumed by a 10 ohm resistor when a current of 3 A flows through it?

Correct Answer: 90 W

Step 1: Identify the values given in the problem. We have a resistor with a resistance of 10 ohms and a current of 3 A flowing through it.
Step 2: Recall the formula for power (P) in terms of current (I) and resistance (R). The formula is P = I^2 * R.
Step 3: Substitute the values into the formula. Replace I with 3 A and R with 10 ohms: P = (3 A)^2 * 10 ohms.
Step 4: Calculate (3 A)^2. This equals 9 A^2.
Step 5: Multiply 9 A^2 by 10 ohms: 9 * 10 = 90.
Step 6: Conclude that the power consumed by the resistor is 90 watts (W).

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