Q30. A galvanometer has a resistance of 20 ohms and a full-scale deflection when a current of 0.001 ampere flows in it. What is the value of the series resistance to convert it into a voltmeter of range 10 volts?Physics — Magnetism and Electromagnetic Induction Past Paper — Question 30 of 591A. 7780 ohmsB. 9980 ohmsC. 5580 ohmsD. 4480 ohmsE. 3380 ohms Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →