Low electrical resistance.
No electrical resistance.
High electrical resistance.
Without knowing the coupling factor the total inductance cannot be found.
Stay the same
Equal to the sum of the individual inductance.
Equal to the inductance of the highest rated inductor.
Less than the inductance of the lowest rated inductor.
70.7% of maximum value
63.2% of maximum value
63.7% of maximum value
Opposes the EMF producing it.
Does not affect the EMF producing it.
Aids the EMF producing it.
Both 1 and 3 true
Both 1 and 2 are true
Only 1 is true
The current is at a maximum
The current through it is zero
It will no longer accept lines of flux.
In the same direction of rotation of the armature.
In the opposite direction of rotation of the armature.
Into alignment with the GNA.
In a weaker field than a large air gap, for the same magnetising force.
In a stronger field than a large air gap, for the same magnetising force.
In the same field as a large air gap, for the same magnetising force.
Decrease speed and increase torque.
Increase speed and increase torque.
Increase speed and decrease torque.
Armature speed and number of series conductors.
Armature speed and field strength.
Armature speed and number of parallel conductors.
Continue to run in the same direction.
Reverse the electrical connections to either the field or armature windings.
Rotate the positive brush one commutator segment.
Interchange the wires which connect the motor to the external power source.
Rotates speed at which the armature
Strength of the magnetic field.
Number of conductors in the armature.
Few turns of thin wire.
Many turns of thin wire.
Few turns of thick wire. few turns of thick wire. few turns of thick wire.