Consider the following galvanometers 1. D'Arsonval 2. Ballistic 3. Vibrati

Question

Consider the following galvanometers
1. D'Arsonval
2. Ballistic
3. Vibration
Which of these are permanent magnet moving coil instruments?

Options:

A . 1 and 2 only

B . 1, 2 and 3

C . 2 and 3 only

D . 1 and 3 only

Answer: Option B
Answer: (b).1, 2 and 3

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