Magnetism and Electromagnetism - General Questions

If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage

What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current?

When a solenoid is activated, the force that moves the plunger is

An electromagnetic field exists only when there is

The induced voltage across a stationary conductor in a stationary magnetic field is

The voltage induced across a certain coil is 200 mV. A 120  resistor is connected to the coil terminals. The induced current is

The ability of a material to remain magnetized after removal of the magnetizing force is known as

When the north poles of two bar magnets are brought close together, there will be