In the context of resistors, which equation correctly represents Ohm's law relating voltage, current, and resistance?

• A. $V=\frac{R}{I}$
• B. $I=VR$
• C. $R=VI$
• D. $V=IR$

Answer: (D)

Verified step by step guidance

1. Recall that Ohm's law is a fundamental relationship in electrical circuits that relates voltage (V), current (I), and resistance (R).
2. Ohm's law states that the voltage across a resistor is directly proportional to the current flowing through it, with resistance as the constant of proportionality.
3. Mathematically, this relationship is expressed as \(V = I \times R\), where \(V\) is voltage, \(I\) is current, and \(R\) is resistance.
4. Check the given options and identify which one matches the correct formula \(V = I \times R\).
5. Confirm that the other options do not correctly represent Ohm's law because they either invert the relationship or multiply variables incorrectly.