Part 2

In the circuit shown P ≠ R, the reading of galvanometer is same with switch S open or closed. Then In the circuit shown P ≠ R the reading of galvanometer is same with switch S open or closed. Then December 1, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Current Electricity [...]

In the adjoining circuit, the e.m.f. of the cell is 2 volt and the internal resistance is negligible. The resistance of the voltmeter is 80 ohm. The reading of the voltmeter will be In the adjoining circuit the e.m.f. of the cell is 2 volt and the internal resistance is negligible. The resistance of the [...]

A potential difference of 220 V is maintained across a 12000 ohm rheostat, as shown in the figure. The voltmeter has a resistance of 6000 ohm and point c is at one-fourth of the distance from a to b. Therefore, the reading of the voltmeter is A potential difference of 220 V is maintained across [...]

The voltmeter reads 40V across 60Ω resistance. The resistance of voltmeter is. The voltmeter reads 40V across 60Ω resistance. The resistance of voltmeter is. December 1, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Current Electricity , Part 2 ,

An ammeter and a voltmeter are connected in series to a battery with an emf 6.0 V. Now a resistance is connected in parallel to voltmeter, the reading of ammeter is doubled, while that of voltmeter is reduced to half. The reading of voltmeter after connecting the resistance is An ammeter and a voltmeter are [...]

A voltmeter of resistance 200Ω is used to measure p.d across resistances 100Ω and 200Ω. A voltmeter of resistance 200Ω is used to measure p.d across resistances 100Ω and 200Ω. December 1, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Current Electricity , Part 2 ,

Three ammeters A,B, and C of resistances RA, RB and RC respectively are joined as shown. When some potential difference is applied across the terminals T1 and T2 their readings are IA, IB and IC respectively Then, and C of resistances RA B IB and IC respectively Then RB and RC respectively are joined as [...]

An ammeter and a voltmeter are joined in sere is to a cell. Their readings are A and V respectively. a resistance is now joined in parallel with the voltmeter. Then An ammeter and a voltmeter are joined in sere is to a cell. Their readings are A and V respectively. a resistance is now [...]

A microammeter has as resistance of 100Ω and full scale range of 50μA. It can be used a voltmeter or as a higher range ammeter provided a resistance is added to it. Pick the correct range and resistance combinations The current i5 is December 1, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 [...]

A galvanometer with 50 divisions on the scale has a resistance of 25Ω. A current of 2×10^−4 A gives a deflection of one scale division. The additional series required to convert it into a voltmeter reading up to 25V is. The current i5 is December 1, 2020 Category: Cengage NEET by C.P Singh , Chapter [...]