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Test: Direction of The Induced EMF


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10 Questions MCQ Test Basic Electrical Technology | Test: Direction of The Induced EMF

Test: Direction of The Induced EMF for Electrical Engineering (EE) 2022 is part of Basic Electrical Technology preparation. The Test: Direction of The Induced EMF questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Direction of The Induced EMF MCQs are made for Electrical Engineering (EE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Direction of The Induced EMF below.
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Test: Direction of The Induced EMF - Question 1

According to Faraday’s laws of electromagnetic inductance, an emf is induced in a conductor whenever?

Detailed Solution for Test: Direction of The Induced EMF - Question 1

An emf is induced, according to Faraday’s laws of electromagnetic inductance, whenever the conductor in a magnetic field cuts the magnetic lies of flux, varying the flux per unit area, and hence the magnetic field which induces an emf.

Test: Direction of The Induced EMF - Question 2

 Direction of induced emf is determined by __________

Detailed Solution for Test: Direction of The Induced EMF - Question 2

Fleming’s left hand rule stated that if the index finger points towards magnetic flux, the thumb towards the motion of the conductor, then the middle finger points towards the induced emf.

Test: Direction of The Induced EMF - Question 3

“The direction of an induced e.m.f. is always such that it tends to set up a current opposing the motion or the change of flux responsible for inducing that e.m.f.”, this is the statement for?

Detailed Solution for Test: Direction of The Induced EMF - Question 3

The above statement is that of Lenz’s law. It is used to determine the direction of the induced emf.

Test: Direction of The Induced EMF - Question 4

According to Fleming’s right hand rule, the thumb points towards?

Detailed Solution for Test: Direction of The Induced EMF - Question 4

Fleming’s left hand rule stated that if the index finger points towards magnetic flux, the thumb towards the motion of the conductor, then the middle finger points towards the induced emf.

Test: Direction of The Induced EMF - Question 5

According to Fleming’s right hand rule, the index finger points towards?

Detailed Solution for Test: Direction of The Induced EMF - Question 5

 Fleming’s left hand rule stated that if the index finger points towards magnetic flux, the thumb towards the motion of the conductor, then the middle finger points towards the induced emf.

Test: Direction of The Induced EMF - Question 6

According to Fleming’s right hand rule, the middle finger points towards?

Detailed Solution for Test: Direction of The Induced EMF - Question 6

Fleming’s left hand rule stated that if the index finger points towards magnetic flux, the thumb towards the motion of the conductor, then the middle finger points towards the induced emf.

Test: Direction of The Induced EMF - Question 7

The relation between direction of induced emf and direction of motion of the conductor is?

Detailed Solution for Test: Direction of The Induced EMF - Question 7

According to Fleming’s right hand rule, the induced emf, the motion of the conductor and the magnetic flux are mutually perpendicular.

Test: Direction of The Induced EMF - Question 8

The relation between direction of induced emf and direction of magnetic flux is _______

Detailed Solution for Test: Direction of The Induced EMF - Question 8

According to Fleming’s right hand rule, the induced emf, the motion of the conductor and the magnetic flux are mutually perpendicular.

Test: Direction of The Induced EMF - Question 9

 The relation between direction of magnetic flux and direction of motion of the conductor is _______

Detailed Solution for Test: Direction of The Induced EMF - Question 9

According to Fleming’s right hand rule, the induced emf, the motion of the conductor and the magnetic flux are mutually perpendicular.

Test: Direction of The Induced EMF - Question 10

North pole induces __________

Detailed Solution for Test: Direction of The Induced EMF - Question 10

A north pole will always induce an anti-clockwise current whereas a south pole will always induce a clockwise current due to electromagnetic theory.

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