Question

Which of the following expressions represent(s) electric power in the circuit?

• A. \( I^2R \)
• B. \( \frac{V^2}{R} \)
• C. \( VI \)
• D. All of these

Hint:

Power in an electrical circuit can be expressed in multiple ways: \( P = VI \), \( P = I^2R \), and \( P = \frac{V^2}{R} \).

Answer 1

The Correct Option is D

Step 1: Understanding power formulas. The power dissipated in an electrical circuit can be calculated using: \[ P = VI \] \[ P = I^2 R \] \[ P = \frac{V^2}{R} \] All three expressions are valid representations of electrical power.