Verified Solution • 2025–26 Session moderate

QNEET-2018-Ph-901: NEET 2018 Physics - Class 12 NEET-2018-Ph-901 Solution: Current sensitivity of a moving coil galvanometer is 5 div/mA…

Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 20 div/V. The resistance of the galvanometer is

40\Omega

25\Omega

250\Omega

500\Omega

Multiple Choice Options

A 40 $\Omega$ �
B 25 $\Omega$ �
C 250 $\Omega$ �
D 500 $\Omega$ �

Step-by-Step Verified Solution

Current sensitivity of moving coil galvanometer I s = N B A C .....(i) Voltage sensitivity of moving coil galvanometer, V s = N B A C R G Dividing eqn. (i) by (ii) Resistance of galvanometer R G = I s V S = 5 _ 1 20 _ 10 _ 3 = 5000 20 = 250 �

Related Learning Resources & Exam Preparation

NEET PYQ Question Bank

Browse year-wise authentic previous years' questions with solutions

Authentic CBT Mock Tests

Simulate official exam environment with live timer and percentile scoring