Conversion of Galvanometer to Ammeter and Voltmeter

JEE Main Physics · Magnetic Field and Forces · 13 questions, latest first

• A moving coil of galvanometer when shunted with 2 Ω resistance gives a full scale deflection for a current of 500 mA. When a…20266 April, Shift 2 · Q48
• A voltmeter with internal resistance of x Ω can be used to measure upto 20 V. In order to increase its measuring range to 30 V,…20264 April, Shift 1 · Q37
• A moving coil galvanometer of resistance 100 Ω shows a full scale deflection for a current of 1 mA. The value of resistance…202624 January, Shift 2 · Q34
• A galvanometer having a coil of resistance 30 Ω need 20 mA of current for full-scale deflection. If a maximum current of 3 A is…202523 January, Shift 2 · Q37
• A galvanmeter has a coil of resistance 200 Ω with a full scale deflection at 20 μ A. The value of resistance to be added to use…20249 April, Shift 1 · Q50
• A galvanometer of resistance 100 Ω when connected in series with 400 Ω measures a voltage of upto 10 V. The value of resistance…20245 April, Shift 2 · Q46
• In an ammeter, 5 % of the main current passes through the galvanometer. If resistance of the galvanometer is G, the resistance of…20241 February, Shift 2 · Q42
• A galvanometer has a resistance of 50 Ω and it allows maximum current of 5 mA. It can be converted into voltmeter to measure upto…20241 February, Shift 1 · Q42
• A galvanometer having coil resistance 10 Ω shows a full scale deflection for a current of 3 mA. For it to measure a current of 8…202429 January, Shift 1 · Q42
• The deflection in moving coil galvanometer falls from 25 divisions to 5 division when a shunt of 24 Ω is applied. The resistance…202429 January, Shift 1 · Q50
• For designing a voltmeter of range 50 V and an ammeter of range 10 mA using a galvanometer which has a coil of resistance 54 Ω…202315 April, Shift 1 · Q49
• When a resistance of 5 Ω is shunted with a moving coil galvanometer, it shows a full scale deflection for a current of 250 mA,…202313 April, Shift 1 · Q58
• A student is provided with a variable voltage source V, a test resistor R_T=10 Ω, two identical galvanometers G_1 and G_2 and two…20236 April, Shift 2 · Q48