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 ?

(a)  

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

Calculate: Frequency?

(a)  

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

Calculate: the Time Period, T ?

(a)  

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

Calculate: The instantaneous value when t=2.5ms

(a)  

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

If the rms phasor of a voltage is given by V = $$120\ \angle\ 60\degree$$ volts, the corresponding v(t) is given by

If a phasor representation of a current is given by $$I\ =\ 70.7\ \angle\ 45\degree\ A$$ , it is equivalent to

What is Unity power factor?

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

Answer : (a)   V

Frequency in Malaysia?

Answer : (a)   Hz