A Meter has a full scale deflection of 90° at a current of 1A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45° will be
- A. 0.25
- B. 0.50
- C. 0.707
- D. 0.67
Answer: C. 0.707
Explanation: Square-law meter: θ ∝ I², so I = √(45/90) = 0.707 A.