CUET · PHYSICS · PYQ PAPER 2023
Current sensitivity of a galvanometer increases if
A. total number of turns is increased in the coil.
B. area of the coil is decreased.
C. the magnetic field induction is decreased.
D. torsional constant is decreased.
Choose the correct answer from the options given below:
- A B and C only
- B A, C and D only
- C A and D only
- D B, C and D only
Answer & Solution
Correct Answer
(C) A and D only
Step-by-step Solution
Detailed explanation
\( S_I = \frac{NBA}{k} \) \( S_I \) increases if N increases or k decreases. A and D only
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