WebApr 6, 2024 · Therefore, the current sensitivity may not necessarily increase the voltage sensitivity of a galvanometer. Note: Galvanometer is a device that is used to detect current in a circuit. It can be modified to act like an ammeter or voltmeter. When current flows through the coil of the galvanometer, a force acts on it due to which the coil is ... WebNov 9, 2012 · 22) A 0-1 mA meter has a sensitivity of: 1 kΩ/V 1 mA 1 k Ω 1000 A Correct Option: 1 23) A moving coil instrument has a resistance of 10 Ω and takes 40 mA to produce full-scale deflection. The shunt resistance required to convert this instrument for use as an ammeter of range of 0 to 2A is: 0.1021 Ω 0.2041 Ω 0.2561 Ω 0.4210 Ω Correct Option: 2
The Moving Coil Galvanometer: Definition, Principle, …
WebNov 5, 2024 · Suppose you want 10 V to produce a full-scale deflection of a voltmeter containing a 25-Ω galvanometer with a 50-μA sensitivity. Then 10 V applied to the meter must produce a current of 50 μA. The total resistance must be: (20.4.1) R t o t = R + r = … Discharging. Discharging a capacitor through a resistor proceeds in a similar … WebJan 25, 2024 · 3. Current Sensitivity of Ammeter. For an ammeter, we can define its current sensitivity in two different ways \( – \left( 1 \right)\) Based on a number of … female australian shepherd growth chart
Ammeter - Definition, Representation, Classification, and FAQs - BYJUS
WebAn ammeter is connected in series with the circuit to be measured. The ideal ammeter will have zero resistance so as not to disturb the circuit. We will find the shunt as part of the … Weba) Ammeter is an instrument used to measure potential difference across any element in a circuit. b) Voltmeter is an instrument used to measure current in a circuit. c) Galvanometer constant is dimensionless. d) Current sensitivity is expressed as the exact reverse of the galvanometer constant female australian country music singers