Question

Care should be taken not to open-circuit

• A. the secondary of a voltage transformer when the primary is energized at rated voltage.
• B. the secondary of a current transformer when the primary is energized at rated current.
• C. the primary of a current transformer when the secondary is connected to rated burden.
• D. the primary of a voltage transformer when the secondary is connected to rated burden.

Answer 1

The correct option is B the secondary of a current transformer when the primary is energized at rated current.

the secondary of a current transformer when the primary is energized at rated current.