Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Fig. shown a uniform square plate from identical squares at the corners can be removed. (a) Where is the centre of mass of the plate originally ? (b) Where is it after square 1 is removed ? (c ) where is it after squares 1 and 2 are removed ? (d) Where is c.m after squares 1,2,3, are removed ? (f) Where is c.m after all the four squares are removed ? Answer in terms of quadrants and axes.
20
Sep
Fig. shown a uniform square plate from identical squares at the corners can be removed. (a) Where is the centre of mass of the plate originally ? (b) Where is it after square 1 is removed ? (c ) where is it after squares 1 and 2 are removed ? (d) Where is c.m after [...]
Whether the switch K is open or closed, the reading of galvanometer is the same. If I denotes the current then
20
Sep
Whether the switch K is open or closed, the reading of galvanometer is the same. If I denotes the current then the reading of galvanometer is the same. If I denotes the current then Whether the switch K is open or closed September 20, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
In the circuit shown, the galvanometer shows zero current . The value of resistance R is
20
Sep
In the circuit shown, the galvanometer shows zero current . The value of resistance R is In the circuit shown the galvanometer shows zero current . The value of resistance R is September 20, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A moving coil galvanometer is converted into an ammeter reads up to 0.03 A by connecting a shunt of resistance 4r across it and ammeter reads up 0.06 A, when a shunt of resistance r is used. What is the maximum current which can be sent through this galvanometer if no shunt is used ?
20
Sep
A moving coil galvanometer is converted into an ammeter reads up to 0.03 A by connecting a shunt of resistance 4r across it and ammeter reads up 0.06 A, when a shunt of resistance r is used. What is the maximum current which can be sent through this galvanometer if no shunt is used ? [...]
Voltmeters V1 and V2 are conne ted in series across a D.C. line. V1 reads 80 V and has a per volt resistance of 200 ohm. V2 has a total resistance of 32 K ohm. The line voltage is
20
Sep
Voltmeters V1 and V2 are conne ted in series across a D.C. line. V1 reads 80 V and has a per volt resistance of 200 ohm. V2 has a total resistance of 32 K ohm. The line voltage is Voltmeters V1 and V2 are conne ted in series across a D.C. line. V1 reads 80 [...]
Voltmeters V1 and V2 are conne ted in series across a D.C. line. V1 reads 80 V and has a per volt resistance of 200 ohm. V2 has a total resistance of 32 K ohm. The line voltage is
20
Sep
Voltmeters V1 and V2 are conne ted in series across a D.C. line. V1 reads 80 V and has a per volt resistance of 200 ohm. V2 has a total resistance of 32 K ohm. The line voltage is Voltmeters V1 and V2 are conne ted in series across a D.C. line. V1 reads 80 [...]
A galvanometer has 30 divisions and a sensitivity 16 muA/ div. It can be converted into a voltmeter to read 3 v by connecting
20
Sep
A galvanometer has 30 divisions and a sensitivity 16 muA/ div. It can be converted into a voltmeter to read 3 v by connecting A galvanometer has 30 divisions and a sensitivity 16 muA/ div. It can be converted into a voltmeter to read 3 v by connecting September 20, 2020 Category: Uncategorised (JEE Advanced [...]
In adjoining figure circuit, the e.m.f. of the cell is 2 V and the internal resistance is negligible . The resistance of the voltmeter is 80 ohm. The reading of the voltmeter will be
20
Sep
In adjoining figure circuit, the e.m.f. of the cell is 2 V and the internal resistance is negligible . The resistance of the voltmeter is 80 ohm. The reading of the voltmeter will be In adjoining figure circuit the e.m.f. of the cell is 2 V and the internal resistance is negligible . The resistance [...]
A 100 V voltmeter of internal resistance 20 K ohm in series with a high resistance R is connected to a 110 V line. The voltmeter reads 5 V, the value of R is
20
Sep
A 100 V voltmeter of internal resistance 20 K ohm in series with a high resistance R is connected to a 110 V line. The voltmeter reads 5 V, the value of R is A 100 V voltmeter of internal resistance 20 K ohm in series with a high resistance R is connected to a [...]
A voltmeter having a resistance of 998 ohm is connected to a cell of e.m.f. 2 volt and internal resistance 2 ohm. The error in the measurement of e.m.f. will be
20
Sep
A voltmeter having a resistance of 998 ohm is connected to a cell of e.m.f. 2 volt and internal resistance 2 ohm. The error in the measurement of e.m.f. will be A voltmeter having a resistance of 998 ohm is connected to a cell of e.m.f. 2 volt and internal resistance 2 ohm. The error [...]