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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Tests  >  Test: Determination of The B/H Characteristics - Electrical Engineering (EE) MCQ

Test: Determination of The B/H Characteristics - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: Determination of The B/H Characteristics

Test: Determination of The B/H Characteristics for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: Determination of The B/H Characteristics questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Determination of The B/H Characteristics MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Determination of The B/H Characteristics below.
Solutions of Test: Determination of The B/H Characteristics questions in English are available as part of our course for Electrical Engineering (EE) & Test: Determination of The B/H Characteristics solutions in Hindi for Electrical Engineering (EE) course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: Determination of The B/H Characteristics | 10 questions in 10 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study for Electrical Engineering (EE) Exam | Download free PDF with solutions
Test: Determination of The B/H Characteristics - Question 1
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The B/H characteristics can be determined using _______

Detailed Solution for Test: Determination of The B/H Characteristics - Question 1

The fluxmetter is an electronic display instrument used to measure magnetic flux of permanent magnets hence it can be used to determine B/H characteristics.

Test: Determination of The B/H Characteristics - Question 2
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 The B/H curve can be used to determine?

Detailed Solution for Test: Determination of The B/H Characteristics - Question 2

Hysteresis loss is basically a heat loss due to the reversal of magnetisation of the transformer core whenever it is subjected to a changing magnetic field. It can be determined using the B/H curve.

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Test: Determination of The B/H Characteristics - Question 3
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The B/H ratio is not constant for ________

Detailed Solution for Test: Determination of The B/H Characteristics - Question 3

The ferromagnetic material is magnetised with varied polarity as the magnetic field is a varying one.

Test: Determination of The B/H Characteristics - Question 4
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When using a fluxmeter, if the flux changes from Φ to -Φ, what happens to the current?
Detailed Solution for Test: Determination of The B/H Characteristics - Question 4

When the flux changes from Φ to -Φ, the current direction will change as the direction of flux is changing.

Test: Determination of The B/H Characteristics - Question 5
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Why is the coil of a ballistic galvanometer wound on a non- metallic former?
Detailed Solution for Test: Determination of The B/H Characteristics - Question 5

The coil of ma ballistic galvanometer is wound on a nonmagnetic former in order to minimise damping when high resistance is connected in series.

Test: Determination of The B/H Characteristics - Question 6
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The ballistic galvanometer is usually lightly damped so that ________
Detailed Solution for Test: Determination of The B/H Characteristics - Question 6

 The ballistic galvanometer is usually lightly damped so that the amplitude of its first swing is very large.

Test: Determination of The B/H Characteristics - Question 7
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 PMMC instruments can be used as a fluxmeters by _______
Detailed Solution for Test: Determination of The B/H Characteristics - Question 7

A PMMC or a permanent moving magnet coil instrument can be used as a fluxmeter by removing the control spring.

Test: Determination of The B/H Characteristics - Question 8
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Hysteresis loss is determined from _______
Detailed Solution for Test: Determination of The B/H Characteristics - Question 8

Hysteresis loss is basically a heat loss due to the reversal of magnetisation of the transformer core whenever it is subjected to a changing magnetic field. It can be determined using the B/H curve.

Test: Determination of The B/H Characteristics - Question 9
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What is a PMMC instrument?
Detailed Solution for Test: Determination of The B/H Characteristics - Question 9

A PMMC instrument is a permanent moving magnet coil instrument. It uses two magnets to create a stationary magnetic field.

Test: Determination of The B/H Characteristics - Question 10
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B/H curve shows the relationship between?
Detailed Solution for Test: Determination of The B/H Characteristics - Question 10

The B/H curve shows the reaction between magnetic field strength and magnetic flux density.

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