Physics · Magnetic Effects of Current
Two moving coil galvanometers A and B having identical suspension springs are placed in uniform magnetic fields of 0.25 T and 0.5 T respectively. If the number of turns in A and B are 36 and 48, and the areas of the coils A and B are 2.4 × 10-3 m2 and 4.8 × 10-3 m2 respectively, then the ratio of the current sensitivities of galvanometer A to galvanometer B is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 : 16✓
- 216 : 3
- 34 : 3
- 43 : 4
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3 : 16
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