Question:
Inductive reactance of a coil expressed as
Ampere
Ohm
Volt
Weber
Question:
The average value of alternating current over a complete cycle is
Question:
A induction may store energy in
Its electric field
Its coils
Its magnetic field
Both electric and magnetic fields
Question:
Two different coils have self-inductance. The current in both coils are increased at same constant rate. The ratio of the induced emf in the coil is
Question:
A coil of resistance 50 and inductance 4H is connected to a 10V battery. The energy stored in the coil
Question:
Two coils of self-inductance are placed close together so that effective flux in one coil is completely linked with the other. If is the mutual inductance between them, then
Question:
The instrument which works on the principle of mutual induction is
Galvanometer
Ammeter
Potentiometer
Transformer