A Potential transformer or PT is a type of special-purpose transformer that is designed to sample high voltage and provide a low secondary voltage that is directly proportional to it.
Given below are most important basic MCQs on Potential transformers.
Secondary winding rating of Potential Transformer
Usually, Potential transformers have a secondary winding rating of:
- 10 V
- 50 V
- 120 V
- 1 kV
Correct answer: 3. 120 V
High-voltage terminals of Potential Transformers are denoted by the letter
High-voltage terminals of Potential Transformers are denoted by the letter:
- A
- J
- H
- X
Correct answer: 3. H
Low-voltage terminals of Potential Transformers are denoted by the letter
Low-voltage terminals of Potential Transformers are denoted by the letter:
- A
- J
- H
- X
Correct answer: 4. X
A potential transformer Connects in Series or Parallel
A potential transformer Connects in:
- Series
- Parallel
- Both of these
- None of these
Correct answer: 2. Parallel
Potential Transformer is also known as
Potential Transformer is also known as:
- Capacitor transformer
- Instrument transformer
- Power supply transformer
- None of these
Correct answer: 2. Instrument transformer