electrical 2 impotant questions
Authored by LAVANYA R
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University
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48 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The opposition of magnetic flux _______.
permeability
Reluctance
Magnetic Intensity
permittivity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The unit of magnetic flux is_______.
Henry
Ampere & meter
weber
Ampere turn /weber
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Induced EMF’S are classified_______.
Maxwell’s law
Lenz’s law
Gauss’s law
Newton’s law
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A setup are transformer increase _______.
D.C. potential difference
D.C. resistance
A.C. potential difference
A.C. reactance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an ideal transformer________.
No voltage drops in resistance or leakage reactance
MMF required to maintain main flux is small
NO core loss
All the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The unit of reluctance is ________.
Ampere/CM square
Weber/M square
Ampere turns/weber
Ampere /weber
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The reluctance is denoted by the letter___
H
B
Φ
S
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