Electrician (Practical) – Semester II
Time: 8 Hours
Note: Attempt all questions.
- Study the full-wave bridge rectifier and calculate the output signal parameters of the rectifier using a CRO.
- Perform the following tests on a given single-phase transformer:
- (a) Open Circuit Test
- (b) Short Circuit Test
- (c) Determine the efficiency of the transformer by direct loading method or by calculating the total losses.
- Describe the starting of a DC shunt motor using a four-point starter with a diagram and start the motor.