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Electric Current and Drift Velocity MCQs

Prepare for Electric Current and Drift Velocity MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Electric Current and Drift Velocity

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

Master Electric Current and Drift Velocity MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Electric Current and Drift Velocity.
Past Papers
Includes frequently repeated questions from past examinations.
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Preparation Guide & Key Focus Areas for Electric Current and Drift Velocity MCQs

When preparing for Electric Current and Drift Velocity MCQs (Physics), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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41
The current gain in transistor in common base mode is 0.99. To change the emitter current by 5 mA, the necessary change in collector current will be
42
A moving coil galvanometer has a resistance of 900 Ω. In order to send only 10% of the main current through this galvanometer, the resistance of the required shunt is
43
In a shunted ammeter, only 10% of current passes through the galvanometer of resistance G. The resistance of the shunt is
44
The reactance of a coil changes directly with
45
4. In a common emitter transistor the current gain is
46
An expression for current gain of a transistor is
47
Base current of a transistor is 1 mA and collector current is 99 mA. What is emitter current?
48
At high frequency, the current through a capacitor will be
49
A single silicon photovoltaic cell produces a current of the order of
50
The value of reverse bias at which the current rises sharply is known as