Basic Electrical Engineering Electromagnetic Induction Online Exam Quiz
Basic Electrical Engineering Electromagnetic Induction GK Quiz. Question and Answers related to Basic Electrical Engineering Electromagnetic Induction. MCQ (Multiple Choice Questions with answers about Basic Electrical Engineering Electromagnetic Induction
If a conductor 0.2m long moves with a velocity of 0.3m/s in a magnetic field of 5T, calculate the emf induced if magnetic field, velocity and length of conductor are mutually perpendicular to each other.
Options
A : 0.3V
B : 0.03V
C : 30V
D : 3V
Find the strength of the magnetic field in a conductor 0.5m long moving with a velocity of 10m/s, inducing an emf of 20V if magnetic field, velocity and length of conductor are mutually perpendicular to each other.
Options
A : 1T
B : 2T
C : 3T
D : 4T
Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V if magnetic field, velocity and length of conductor are mutually perpendicular to each other.
Options
A : 50m
B : 5m
C : 6.25m
D : 0.5m
An E.M.F. can be induced by _________
Options
A : Change in the magnetic field only
B : Change in the area of cross section only
C : Change in angle between magnetic field and area only
D : Change in the magnetic field, area or angle between them
What is the consequence of motor effect?
Options
A : Current
B : Voltage
C : Electromagnetic induction
D : EMF
What does emf stand for?
Options
A : Electronic magnetic force
B : Electromotive force
C : Electromagnetic force
D : Electromated force
The formula for induced emf if magnetic field, length and velocity of conductor all are mutually perpendicular is __________
Options
A : emf=B2l
B : emf=Bil
C : emf=Blv
D : emf=B2v
What is emf?
Options
A : Force
B : Voltage
C : Current
D : Flux
What happens to the current in a coil while accelerating a magnet inside it?
Options
A : Increases
B : Decreases
C : Remains constant
D : Reverses
The total number of magnetic field lines passing through an area is termed as?
Options
A : Voltage
B : EMF
C : Magnetic flux
D : Magnetic flux density
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