Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Each of three resistors in figure has a resistance of 2.4Ω and can dissipate a maximum of 36 W without becoming excessively heated. What is the maximum power the circuit can dissipate?
18
Nov
Each of three resistors in figure has a resistance of 2.4Ω and can dissipate a maximum of 36 W without becoming excessively heated. What is the maximum power the circuit can dissipate? Each of three resistors in figure has a resistance of 2.4Ω and can dissipate a maximum of 36 W without becoming excessively heated. [...]
Among the members of V A group (N, P, As, Sb and Bi), which of the following properties shows an increase as we go down from nitrogen to bismuth
18
Nov
Among the members of V A group (N, P, As, Sb and Bi), which of the following properties shows an increase as we go down from nitrogen to bismuth Among the members of V A group (N As p Sb and Bi) which of the following properties shows an increase as we go down from [...]
A 10 m long nichrome wire having 80Ω resistance has current carrying capacity of 5 A. This wire can be cut into equal parts and equal parts can be connected in series or parallel. What is the maximum power which can be obtain as heat by the wire from a 200 V mains supply? (in kW)
18
Nov
A 10 m long nichrome wire having 80Ω resistance has current carrying capacity of 5 A. This wire can be cut into equal parts and equal parts can be connected in series or parallel. What is the maximum power which can be obtain as heat by the wire from a 200 V mains supply? (in [...]
In Birkeland-Eyde process, the raw material used is (a) Air (b) NH3 (c) NO2 (d) HNO3
18
Nov
In Birkeland-Eyde process, the raw material used is (a) Air (b) NH3 (c) NO2 (d) HNO3 In Birkeland-Eyde process the raw material used is (a) Air (b) NH3 (c) NO2 (d) HNO3 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Two circular rings of identical radii and resistance of 36Ω each are placed in such a way that they cross each others centre C1 and C2 as shown in figure. Conducting joints are made at intersection point A and B of the rings. An ideal cell of emf 20 volts is connected across AB. The power delivered by cell is:
18
Nov
Two circular rings of identical radii and resistance of 36Ω each are placed in such a way that they cross each others centre C1 and C2 as shown in figure. Conducting joints are made at intersection point A and B of the rings. An ideal cell of emf 20 volts is connected across AB. The [...]
N2 combines with metal to form (a) Nitride (b) Nitrate (c) Nitrite (d) Nitrosyl chloride
18
Nov
N2 combines with metal to form (a) Nitride (b) Nitrate (c) Nitrite (d) Nitrosyl chloride N2 combines with metal to form (a) Nitride (b) Nitrate (c) Nitrite (d) Nitrosyl chloride November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An electric current of 2 A passes through a wire of resistance 25 ohm . How much heat will be developed in 1 min ? ( in x 10 ^3 J )
18
Nov
An electric current of 2 A passes through a wire of resistance 25 ohm . How much heat will be developed in 1 min ? ( in x 10 ^3 J ) An electric current of 2 A passes through a wire of resistance 25 ohm . How much heat will be developed in 1 [...]
The chemical used for cooling in refrigeration is (a) CO2 (b) NH4OH (c) NH4Cl (d) Liquid NH3
18
Nov
The chemical used for cooling in refrigeration is (a) CO2 (b) NH4OH (c) NH4Cl (d) Liquid NH3 The chemical used for cooling in refrigeration is (a) CO2 (b) NH4OH (c) NH4Cl (d) Liquid NH3 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following elements of group VA does not show allotropy (a) N (b) Bi (c) P (d) As
18
Nov
Which of the following elements of group VA does not show allotropy (a) N (b) Bi (c) P (d) As Which of the following elements of group VA does not show allotropy (a) N (b) Bi (c) P (d) As November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
On heating a mixture of NH4Cl and KNO2 we get (a) NH4NO3 (b) N2 (c) N2O (d) NO
18
Nov
On heating a mixture of NH4Cl and KNO2 we get (a) NH4NO3 (b) N2 (c) N2O (d) NO On heating a mixture of NH4Cl and KNO2 we get (a) NH4NO3 (b) N2 (c) N2O (d) NO November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,