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The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb. The amount of induced charge that flows in the circuit is (in coulomb)
Options
(a) 0.5
(b) 5
(c) 50
(d) 100
Correct Answer:
0.5
Explanation:
Induced charge = – (N / R) (ɸ₂ – ɸ₁)
Q = (1 / 100) (60 – 10) = 0.5 C
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A coil has resistance 30 ohm and inductive reactance 20 ohmn at 50 Hz frequency.
- The work function of metals is in the range of 2 eV to 5 eV.
- Three identical spherical shells, each of mass m and radius r are placed
- If voltage across a bulb rated 220 volt-100 Watt drops by 2.5% of its rated value
- When a ceiling fan is switched off its angular velocity reduces to 50% while
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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