MCQsMind — Pakistan's MCQ Platform

Ohm_s Law and Resistance MCQs for Competitive Exams

MCQS

Ohm_s Law and Resistance MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

293 MCQs Page 6

Topic Notes: Ohm_s Law and Resistance

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Ohm_s Law and Resistance MCQs in Physics are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

Want adaptive tracking for this topic?

Login to save wrong answers to your Mistake Bank and build your weakness heatmap automatically.

Session Progress 0 / 0 Solved
Reveal answers to start tracking your session progress!
51
If the diameter of a conductive wire is reduced by half while keeping the material and length constant, how is the current affected assuming a constant voltage?
Report
52
What term describes materials that maintain a constant electrical resistance regardless of the voltage applied across them?
Report
53
How does the electrical resistance of a metallic wire respond to an increase in temperature?
Report
54
Calculate the power supplied to a resistor if a current of 0.5 A flows through it under a potential difference of 6 V.
Report
55
Calculate the equivalent resistance of a series circuit containing two resistors with values of 4 kΩ and 6 kΩ, connected to a 10 V power source.
Report
56
Which of the following statements regarding electrical properties is incorrect?
Report
57
Determine the resistance of a component if a potential difference of 8 V results in a current flow of 0.2 A.
Report
58
What is the equivalent resistance of a circuit containing three resistors with values of 10 Ω, 8 Ω, and 7 Ω connected in series?
Report
59
If both the potential difference across a conductor and the current flowing through it are doubled, how does the resistance of the circuit change?
Report
60
Calculate the equivalent resistance of a circuit containing two 20 Ω resistors connected in parallel, which are then connected in series with a 10 Ω resistor.
Report