Current from voltage across a resistor — apply Ohm’s law: The voltage across a 5 kΩ resistor is 25 V. The current through the resistor is ______.

Introduction / Context:
Given the voltage across and resistance of a component, Ohm’s law provides the current. Careful unit handling (kΩ) avoids common errors in the milliampere range.

Given Data / Assumptions:

• V = 25 V.
• R = 5 kΩ = 5000 Ω.
• Linear resistor, steady state.

Concept / Approach:
Use I = V / R. Convert kilo-ohms to ohms before dividing to get amperes, then express the result in milliamperes if convenient for readability.

Step-by-Step Solution:

Verification / Alternative check:
Check voltage drop: V = I * R = 0.005 * 5000 = 25 V, consistent.

Why Other Options Are Wrong:

Common Pitfalls:
Forgetting to convert kΩ to Ω, leading to answers 1000× too large or small.

Final Answer:
5 mA