Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A milliammeter of range 10mA and resistance 9Ω is joined in a circuit as shown. The metre gives full-scale deflection for curretn I when A and B are used as its terminals, i.e., current enters at A and leaves at B (C is left isolated). The value if I is
13
Nov
A milliammeter of range 10mA and resistance 9Ω is joined in a circuit as shown. The metre gives full-scale deflection for curretn I when A and B are used as its terminals, i.e., current enters at A and leaves at B (C is left isolated). The value if I is A milliammeter of range 10mA [...]
The reagent commonly used to determine hardness of water titrimetrically is (a) Oxalic acid (b) Disodium salt of EDTA (c) Sodium citrate
13
Nov
The reagent commonly used to determine hardness of water titrimetrically is (a) Oxalic acid (b) Disodium salt of EDTA (c) Sodium citrate The reagent commonly used to determine hardness of water titrimetrically is (a) Oxalic acid (b) Disodium salt of EDTA (c) Sodium citrate November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
On dissolving moderate amount of sodium metal in liquid NH3 at low temperature, which one of the following does not occur (a) Blue coloured solution is obtained
13
Nov
On dissolving moderate amount of sodium metal in liquid NH3 at low temperature, which one of the following does not occur (a) Blue coloured solution is obtained On dissolving moderate amount of sodium metal in liquid NH3 at low temperature which one of the following does not occur (a) Blue coloured solution is obtained November [...]
A, B and C are voltmeters of resistances R, 1.5 R and 3 R respectively. When some potential difference is applied between x and y the voltmeter readings are VA,V_B and V_C,` then
13
Nov
A, B and C are voltmeters of resistances R, 1.5 R and 3 R respectively. When some potential difference is applied between x and y the voltmeter readings are VA,V_B and V_C,` then 1.5 R and 3 R respectively. When some potential difference is applied between x and y the voltmeter readings are VA A) [...]
Alkaline earth metals are denser than alkali metals, because metallic bonding in alkaline earth metal is (a) Stronger (b) Weaker (c) Volatile (d) Not present
13
Nov
Alkaline earth metals are denser than alkali metals, because metallic bonding in alkaline earth metal is (a) Stronger (b) Weaker (c) Volatile (d) Not present Alkaline earth metals are denser than alkali metals because metallic bonding in alkaline earth metal is (a) Stronger (b) Weaker (c) Volatile (d) Not present November 13, 2020 Category: Uncategorised [...]
In q.27 , the combined resistance of the shunt and the galvanometer is
13
Nov
In q.27 , the combined resistance of the shunt and the galvanometer is In q.27 the combined resistance of the shunt and the galvanometer is November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A galvanometer has a resistance of 3663 ohm. A shunt S is connected acrosss it such that 1/34 of the total current passes through the galvanometer . The value of the shunt is
13
Nov
A galvanometer has a resistance of 3663 ohm. A shunt S is connected acrosss it such that 1/34 of the total current passes through the galvanometer . The value of the shunt is A galvanometer has a resistance of 3663 ohm. A shunt S is connected acrosss it such that 1/34 of the total current [...]
If a shunt 1/10 of the coil resistance is applied to a moving coil galvanometer , its sensitivity becomes
13
Nov
If a shunt 1/10 of the coil resistance is applied to a moving coil galvanometer , its sensitivity becomes If a shunt 1/10 of the coil resistance is applied to a moving coil galvanometer its sensitivity becomes November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A candidate connects a moving coil voltmeter V , a moving coil ammeter A , and a resistor R as shown in figure. If the voltmeter reads 20 V and the ammeter reads 4 A , R is
13
Nov
A candidate connects a moving coil voltmeter V , a moving coil ammeter A , and a resistor R as shown in figure. If the voltmeter reads 20 V and the ammeter reads 4 A , R is A candidate connects a moving coil voltmeter V a moving coil ammeter A and a resistor R [...]
When sodium is heated with moist air, then the product obtained is (a) Na2O (b) NaOH (c) Na2CO3 (d) Na2O2
13
Nov
When sodium is heated with moist air, then the product obtained is (a) Na2O (b) NaOH (c) Na2CO3 (d) Na2O2 then the product obtained is (a) Na2O (b) NaOH (c) Na2CO3 (d) Na2O2 When sodium is heated with moist air November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,