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Moving Coil Galvanometer and its Conversion for GUJCET: 11 solved questions

Real GUJCET paper questions on moving coil galvanometer and its conversion, part of moving charges and magnetism. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2007 to 2026. No sign-in needed to read them.

What this topic asks

• Conversion to ammeter and voltmeter — 7 questions
• Units and dimensions — 2 questions
• Galvanometer in a balanced circuit — 1 question
• Galvanometer sensitivity and figure of merit — 1 question

All 11 questions with solutions

• A voltmeter has a resistance of G ohm and a range of V volt. The resistance required in series to convert it… GUJCET 2007
• To convert a galvanometer into an ammeter, we connect . GUJCET 2007
• The deflection in a moving-coil galvanometer falls from 50 divisions to 10 divisions, when a shunt of 12 Ω is… GUJCET 2008
• To send 10% of main current through a moving coil galvanometer of resistance 99 Ω, shunt required is . GUJCET 2011
• For a galvanometer working as a voltmeter, is connected with the coil of the galvanometer. GUJCET 2014
• Shunt wire should be . GUJCET 2019; GUJCET 2022
• The galvanometer has a resistance of 18 Ω. Calculate the value of shunt to increase the range of galvanometer… GUJCET 2023
• An ideal ammeter and an ideal voltmeter has resistance Ω and respectively. GUJCET 2024
• In the moving coil galvanometer, if number of turns in the coil is doubled, then the current sensitivity and… GUJCET 2026
• The dimensional formula of the effective torsional constant of a spring is . GUJCET 2019
• The dimensional formula of current sensitivity of moving coil galvanometer is GUJCET 2025