Basic Concept of Electricity MCQs
Practice free Basic Concept of Electricity multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 171 questions — no login required.
Question 136easy
Phase difference between the two waveforms can be compared only when they have the same
Question 138easy
The phasor diagram for alternating quantities can be drawn if they have
Advertisement
Question 140easy
If two sinusoids of the same fraquency but of different amplitudes and phase difference are added, the resultant is a sinusoid of
Question 141easy
All the rules and laws which apply to de networks also apply to ac networks consisting of
Advertisement
Question 143easy
If an alternating triangular voltage is applied to a resistor, the shape of the curreq,t waveform will be
Question 144easy
The magnetic field energy in an inductor changes from maximum value to minimum value in 5m sec when connected to an ac source. The frequency of the source is