The total opposition to the flow of alternating current is______.

3Ø currents are generally out of phase by______ degrees.

______is the ratio of output to input.

The voltage produced by electromagnetic induction is controlled by______.

Which of the following has the highest dielectric strength to electrical breakdown?

The greatest voltage drop in a circuit will occur when the______  the current flow through that part of the circuit.

______result in loss of electrical energy from the circuit.

Soft iron is most suitable for uses in a_______.

As the temperature increase, the resistance of most conductors also increases, except______.

Of the six way of producing emf, which method is used least?

Resistance in the power formula equals______ .

What is the formula to find watt hours?

In a series circuit when the voltage remains constant and the resistance is increases, the current_____.

Other factors remaining the same, the effect on the current flow in the circuit would cause the current to______ if the applied voltage was doubled.

A mil is what part of inch?

A #12 wire has diameter of 80.81 mils. The cma would be______.

A substance whose molecules consist of the same kind of atoms is called______.

The electrons in the last orbit of an atom are called _______electrons.

A length of wire has a resistance of 6 ohms. The resistance of the wire of the same material three times as long and twice the csa will be______ ohms.

The hot resistance of a 100 watt incandescent bulb is about______ times its cold resistance.

The purpose of loads in an electrical circuit is to _______.

A device for marking, breaking, or charging connections in a circuit under load is a_______.

What relationship determines the efficiency of electrical equipment?

The conductance of a conductor is the ease in which current flow through it. It is measured in______.

In which of the following would a rheostat most likely not be used?

Nichrome wire having a resistance of 200Ω per 100 feet is to be used for a heater that requires a total resistance of 10Ω. The length of wire required would be______ feet.

A fluorescent light that blinks “on” and “off” repeatedly many  time______.

Electrical appliances are connected in parallel because it_______.

If 18 resistances each 36Ω are connected in parallel, the total resistance would be _____Ω.

A negatively charge body has_____.

A capacitor stores______.

Electrical appliances are not connected in series because______.

A capacitor opposes_______.

Permanent magnets use ______as the magnetic material.

The armature current drawn by any DC motor is proportional to the______.

A component having no continuity would have _______resistance.

Basically all electric motors operate on the principle of repulsion or_______.

Generally the maximum ambient temperature for operating Class B motors is______.

The change in direction of light passing from one area to another of different density is called_____.

An electrician in the industry would first check the______to correct a low power factor.

Tinning rubber insulated twisted cable is done to_________.

Inductance in a circuit_____.

The AC system is preferred to the DC system because _____.

The breakdown voltage of an insulation depends upon _____value of AC voltage.

As the power factor of a circuit is increased _______.

For the same rating, the size of a 3Ø motor will be _______a single phase motor.

carbon brushes are used on a commutator because______.

DC series motors are used in application where ______is required.

The voltage per turn of the primary of transformer is______ the voltage per turn of the secondary.