MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 71

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The number of turns in the coil of an A.C. generator are $100$ and its cross-sectional area is $2.5 m^{2}$ . The coil is revolving in a uniform magnetic field of strength $0.3 T$ with the uniform angular velocity of $60 rad s^{- 1}$ . The value of maximum voltage produced in $kV$ is

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Important Questions on Electromagnetic Induction

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 72

In an A.C. circuit, peak value of voltage is

423 V

. Its effective voltage is

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 73

A generator produces a voltage that is given by

e_{.} = 240 \sin 120 t

, where

t

is in seconds. The frequency and r.m.s voltage are

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 74

An A.C. voltage

V = 5 \cos (1000 t) V

is applied to a L-R series circuit of inductance

3 mH

and resistance

4 Ω

. The value of maximum current in the circuit is Ampere.

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 75

An A.C. generator produced an output voltage

e = 170 \sin 377 t V

, where

t

is in seconds. The frequency of A.C. voltage is

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 76

A.C. voltmeter is connected to a source of peak voltage

e_{0} = 141.4 V

, then it will read

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 77

An alternating voltage,

E = 200 \sqrt{2} \sin (100 t)

is connected to a

1 μ F

capacitor through an A.C. ammeter. The reading of the ammeter shall be

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 78

A capacitor

C

is connected across a D.C. source, the reactance of the capacitor will be

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Electromagnetic Induction>Competitive Thinking>Q 79

A small signal voltage

V (t) = V_{0} \sin ω t

is applied across an ideal capacitor

C