Rajkamal Sir (Engineers Platform) 📚📚

1. In a transformer the tappings are generally provided on

5. The power transformer is a constant

4. The purpose of providing iron core in a step-up transformer is

3. Greater the secondary leakage flux

2. Spacers are provided between adjacent coils

1. No-load current of a transformer has

5. Pure inductive circuit takes power from the A.C. line when

4. In a purely inductive circuit

3. Which of the following waves has the highest value of peak factor ?

2. The product of apparent power and cosine of the phase angle between circuit voltage and current is

1. The peak value of a sine wave is 200 V. Its average value is