EDJ22403 POWER SYSTEM I (QUIZ 1)

An alternating current, i is given by     i (t)= 0.809 sin (205t - 30°),

Calculate: The Maximum value, I ?

An alternating current, i is given by     i (t)= 0.809 sin (205t - 30°),

Calculate: Frequency?

An alternating current, i is given by     i (t)= 0.809 sin (205t - 30°),

Calculate: the Time Period, T ?

An alternating current, i is given by     i (t)= 0.809 sin (205t - 30°),

Calculate: The instantaneous value when t=2.5ms

The rms value of v(t) = Vmax cos (ωt + θ) is given by

What is Unity power factor?

• pf = 0.85

• pf = 0

• pf = 0.9

• pf = 1

What is the nominal voltage in Malaysia (Single phase system)?

Answer : ___ V

Frequency in Malaysia?

Answer : ___ Hz