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Ohm_s Law and Resistance MCQs for Competitive Exams

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Ohm_s Law and Resistance MCQs for Competitive Exams

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Topic Notes: Ohm_s Law and Resistance

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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.

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1
What is the SI unit for electrical resistance?
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2
Which electrical quantity is quantified using the unit known as the ohm?
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3
What is the standard unit used to measure electrical conductivity?
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4
According to Ohm's Law, which of the following quantities is directly proportional to the potential difference across a metallic conductor at a constant temperature?
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5
Which of the following materials are classified as electrical insulators?
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6
What is the electrical resistance of a copper wire with a length of 1 meter and a diameter of 2 mm?
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7
If the resistance of an electrical circuit is doubled while the applied voltage is kept constant, what happens to the electric current?
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8
According to Ohm's Law, the current flowing through a resistor is inversely proportional to which factor?
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9
Which of the following metals exhibits the highest electrical conductivity?
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10
When multiple resistors are connected in a series circuit, how does the current behave across each individual resistor?
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