Basic Electrical Engineering Coupling Coefficient Online Exam Quiz
Basic Electrical Engineering Coupling Coefficient GK Quiz. Question and Answers related to Basic Electrical Engineering Coupling Coefficient. MCQ (Multiple Choice Questions with answers about Basic Electrical Engineering Coupling Coefficient
What is the coupling coefficient when all the flux of coil 1 links with coil 2?
Options
A : 0
B : 100
C : 1
D : Insufficient information provided
What is the coupling coefficient when there is ideal coupling?
Options
A : 0
B : 100
C : 1
D : Insufficient information provided
Find the value of x if the Mutual inductance is x H, the inductance of coil 1 is 2H and the inductance of coil 2 is 8H. The coupling coefficient is 5.
Options
A : 10H
B : 20H
C : 16H
D : 15H
Find the value of x if the Mutual inductance is 20H, the inductance of coil 1 is xH and the inductance of coil 2 is 8H. The coupling coefficient is 5.
Options
A : 2H
B : 4H
C : 6H
D : 8H
Find the coupling coefficient if the Mutual inductance is 20H, the inductance of coil 1 is 2H and the inductance of coil 2 is 8H.
Options
A : 5
B : 20
C : 2
D : 8
Mutual inductance between two coupled coils depend on?
Options
A : Amount of flux linkage
B : Rate of change of flux linkage
C : Rate of change of current
D : Flux density
What is the SI unit of coupling coefficient?
Options
A : H
B : H-1
C : No unit
D : H2
What happens to the coupling coefficient when the flux linkage of coil 1 and coil 2 increases?
Options
A : Increases
B : Decreases
C : Remains the same
D : Becomes zero
Which, among the following, is the correct formula to find the coupling coefficient?
Options
A : k=M/sqrt(L1L2)
B : k=M/sqrt(L12)
C : k=M/sqrt(L22)
D : k=M/(L1L2)
Can the coupling coefficient practically ever be equal to 1?
Options
A : Yes
B : No
C : Depends on the current in coil 1
D : Depends on the current in coil 2
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