AC Fundamentals, Circuit and Circuit Theory
The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that

Both waves must have zero value at the same time
Both waves must have same frequency
Both waves must have identical peak values
None of these

ANSWER DOWNLOAD EXAMIANS APP

AC Fundamentals, Circuit and Circuit Theory
A phasor is

A colored tag or band for distinction between different phases of a 3-phase supply
An instrument used for measuring phases of an unbalanced 3-phase load
A line representing the magnitude and direction of an alternating quantity
A line which represents the magnitude and phase of an alternating quantity

ANSWER DOWNLOAD EXAMIANS APP