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- Moving iron instrument
- Thermocouple instrument
- Induction instrument
- Moving coil instrument
Which of the following instruments can be used for dc as well ac upto a few MHz?
| |
A. | 2 only [Correct Answer] |
B. | 2 and 3 only [Wrong Answer] |
C. | 1, 2 and 3 only [Wrong Answer] |
D. | 2 and 4 only [Wrong Answer] |