Basic Electrical Engineering Online Test Online Exam Quiz
Basic Electrical Engineering Online Test GK Quiz. Question and Answers related to Basic Electrical Engineering Online Test. MCQ (Multiple Choice Questions with answers about Basic Electrical Engineering Online Test
If the current changes from 20A to 10A in 5 seconds and the value of inductance is 1H, calculate the emf induced.
Options
A : 8V
B : 6V
C : 4V
D : 2V
What happens to the inductance when the current in the coil becomes double its original value?
Options
A : Becomes half
B : Becomes four times
C : Becomes double
D : Remains same
As the number of turns in the coil increases, what happens to the inductance of the coil?
Options
A : Increases
B : Decreases
C : Remains the same
D : Becomes zero
What happens to the inductance as the area of the cross section of the coil increases?
Options
A : Increases
B : Decreases
C : Remains the same
D : Becomes zero
What happens to the inductance as the length of the magnetic circuit increases?
Options
A : Increases
B : Decreases
C : Remains the same
D : Becomes zero
What happens to the inductance when the magnetic field strength decreases?
Options
A : Increases
B : Decreases
C : Remains the same
D : Becomes zero
When the coil is wrapped around a ferromagnetic core, why is it difficult to determine the inductance?
Options
A : The variation of flux is no longer proportional to the variation of current
B : Current does not exist in the coil
C : Flux does not exist in the coil
D : The value of current is too large to measure
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