engineering recuitment NHPC JE & THDC JE 2023 Mock Test Electrical and Electronics Measurements Instrument Transformers Current Transformer
Care should be taken not to open circuit
1
the secondary of a voltage transformer when the primary is energized at rated voltage
2
the secondary of a current transformer when the primary is energized at rated current
3
the primary of a current transformer when the secondary is connected to rated burden
4
the primary of a voltage transformer when the secondary is connected to rated burden