Answer Happy

1. The EMF produced in a coil by mutual inductance is directlyproportional to the time rate of change of the current passingthrough the other coil?
True
False
2. Self-inductance of a coil or solenoid is:
Directly proportional to the current in the wire
Inversely proportional to the number of turns
Directly proportional to the magnetic flux
Inversely proportional to the magnetic flux
3. The energy stored in a magnetic field is:
Proportional to the magnetic field
Proportional to the square of the magnetic field
Proportional to the current
Proportional to the square of the inductance