A) It stays at a fixed magnitude at all times.
B) It requires no voltage to function.
C) It flows only in one constant direction.
D) It periodically reverses direction and changes magnitude.

A) Sawtooth wave
B) Triangular wave
C) Sine wave
D) Square wave

A) It does not require any wires for transmission.
B) It is safer to touch than direct current.
C) Its voltage can be increased or decreased with a transformer.
D) It travels faster than direct current.

A) It increases by a factor of four.
B) It remains the same.
C) It is reduced by a factor of four.
D) It is reduced by half.

A) Energy loss due to heat is reduced.
B) Energy loss becomes zero instantly.
C) Energy loss remains constant.
D) Energy loss due to heat is increased.

A) 90 degrees
B) 180 degrees
C) 120 degrees
D) 60 degrees

A) It generates less voltage.
B) It can operate at lower rotational speeds.
C) It uses more electricity.
D) It produces a higher frequency.

A) To convert AC to DC power.
B) To balance the three-phase load.
C) To increase the power output of the device.
D) To provide a low impedance path to ground for safety.

A) It only worked for very short distances.
B) It was too dangerous to transport.
C) Lack of an economically viable way to step down voltage.
D) It was incompatible with copper wire.

A) Perfectly balanced three-phase loads.
B) Using only resistive loads.
C) Non-linear loads and harmonics.
D) Using standard incandescent bulbs.

A) 100 V – 240 V
B) 500 V – 1000 V
C) 50 V – 100 V
D) 10 V – 50 V

A) Higher constant voltages.
B) Lower frequencies than power distribution.
C) Only direct current.
D) Different waveforms like square or triangular waves.

A) The generator stops working.
B) The neutral current doubles.
C) The voltage becomes unstable.
D) No current flows through the neutral point.

A) It eliminates the need for grounding.
B) It reduces the risk of electric shock.
C) It allows for higher current transmission.
D) It increases the frequency of the tools.

A) A harmonic
B) A bond
C) A phase
D) A cycle