Which type of device consists of a coil with a moveable iron core?

A)
relay
B)
solenoid
C)
armature
D)
reed switch

Correct Answer : Option (B) :   solenoid

Recently Updated in Inductors Questions
Which type of device consists of a coil with a moveable iron core?
A)
relay
B)
solenoid
C)
armature
D)
reed switch

Correct Answer :   solenoid

Electricity may be generated by a wire_________
A)
carrying current
B)
wrapped as a coil
C)
that has neutral domains
D)
passing through a flux field

Correct Answer :   passing through a flux field

The coefficient of coupling between two air core coils depends on ____________
A)
Self inductance of two coils only
B)
Mutual inductance between two coils only
C)
Mutual inductance and a self inductance of two coils
D)
None of the above

Correct Answer :   Mutual inductance and a self inductance of two coils

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