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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Tests  >  Test: Inductance in Terms of Flux Linkages Per Ampere - Electrical Engineering (EE) MCQ

Test: Inductance in Terms of Flux Linkages Per Ampere - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: Inductance in Terms of Flux Linkages Per Ampere

Test: Inductance in Terms of Flux Linkages Per Ampere for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: Inductance in Terms of Flux Linkages Per Ampere questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Inductance in Terms of Flux Linkages Per Ampere MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Inductance in Terms of Flux Linkages Per Ampere below.
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Test: Inductance in Terms of Flux Linkages Per Ampere - Question 1
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Among the following, which is the right formula for inductance?

Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 1

The average emf induced is proportional to the current per unit time, the constant of proportionality being L. Hence emf=LI/t. Making L the subject of the formula, we get: L=emf*t/I.

Test: Inductance in Terms of Flux Linkages Per Ampere - Question 2
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Among the following, which is the right formula for inductance?

Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 2

We know that:
emf=L(i2-i1)/t
Inductance = L=NΦ/t.

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Test: Inductance in Terms of Flux Linkages Per Ampere - Question 3
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For a coil having a magnetic circuit of constant reluctance, the flux is ___________ to the current.

Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 3

For a coil having a magnetic circuit of constant reluctance, the flux is directly proportional to the current.

Test: Inductance in Terms of Flux Linkages Per Ampere - Question 4
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For a coil having a magnetic circuit of constant reluctance, if the flux increases, what happens to the current?
Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 4

For a coil having a magnetic circuit of constant reluctance, the flux is directly proportional to the current. Hence as the flux increases, the current also increases.

Test: Inductance in Terms of Flux Linkages Per Ampere - Question 5
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The unit for inductance is ___________
Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 5

The unit of induction is named after a famous scientist Joseph Henry who independently discovered electromagnetic induction.

Test: Inductance in Terms of Flux Linkages Per Ampere - Question 6
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If either the inductance or the rate of change of current is doubled, the induced e.m.f?
Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 6

If either the inductance or the rate of change of current is doubled, the induced e.m.f. becomes double because, emf=LI/t.

Test: Inductance in Terms of Flux Linkages Per Ampere - Question 7
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 If the current changes from 5A to 3A in 2 seconds and the inductance is 10H, calculate the emf.
Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 7

We know that:
emf=L(i2-i1)/t
Substituting the values from the question, we get emf=10V.

Test: Inductance in Terms of Flux Linkages Per Ampere - Question 8
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If the current changes from 5A to 3A in x sec and inductance is 10H. The emf is 10V, calculate the value of x.
Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 8

We know that:
emf=L(i2-i1)/t
Substituting the values from the question, we get x=2s.

Test: Inductance in Terms of Flux Linkages Per Ampere - Question 9
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If the current changes from 3A to 5A in 2s and the emf is 10V. Calculate the inductance.
Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 9

We know that:
emf=L(i2-i1)/t
Substituting the values from the question we get L=10H.

Test: Inductance in Terms of Flux Linkages Per Ampere - Question 10
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If the current changes from 20A to 10A in 5 seconds and the value of inductance is 1H, calculate the emf induced.
Detailed Solution for Test: Inductance in Terms of Flux Linkages Per Ampere - Question 10

We know that:
emf=L(i2-i1)/t
Substituting the values from the question we get emf=2V.

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