Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Two ideal batteries of emf V1 and V2 and three resistances R1 , R2 and R3 are connected as shown in the figure.. The current in resistance R2 would be zero if
13
Nov
Two ideal batteries of emf V1 and V2 and three resistances R1 , R2 and R3 are connected as shown in the figure.. The current in resistance R2 would be zero if R2 and R3 are connected as shown in the figure.. The current in resistance R2 would be zero if Two ideal batteries of [...]
An infinite line charge of uniform electric charge density λ lies along the axis electrically conducting infinite cylindrical shell of radius R. At time t=0, the space in the cylinder is filled with a material of permittivity ε and electrical conductivity σ. The electrical conduction in the material follows Ohm’s law. Which one of the following best describes the subsequent variation of the magnitude of current density j(t) at any point in the material?
13
Nov
An infinite line charge of uniform electric charge density λ lies along the axis electrically conducting infinite cylindrical shell of radius R. At time t=0, the space in the cylinder is filled with a material of permittivity ε and electrical conductivity σ. The electrical conduction in the material follows Ohm’s law. Which one of the [...]
For the resistance network shown in the figure, choose the correct options
13
Nov
For the resistance network shown in the figure, choose the correct options choose the correct options. For the resistance network shown in the figure November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In an aluminium (Al) bar of square cross section, a square hole is drilled and is filled with iron (Fe) as shown in the figure. The electrical resistivities of Al and Fe are 2.7 × (10^−8) Ω m and 1.0 × ( 10^−7 )Ωm, respectively. The electrical resistance between the two faces P and Q of the composite bar is
13
Nov
In an aluminium (Al) bar of square cross section, a square hole is drilled and is filled with iron (Fe) as shown in the figure. The electrical resistivities of Al and Fe are 2.7 × (10^−8) Ω m and 1.0 × ( 10^−7 )Ωm, respectively. The electrical resistance between the two faces P and Q [...]
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a square hole is drilled and is filled with iron (Fe) as shown in the figure. The electrical resistivities of Al and Fe are 2.7 × (10^−8) Ω m and 1.0 × ( 10^−7 )Ωm ,
In an aluminium (Al) bar of square cross section ,
respectively. The electrical resistance between the two faces P and Q of the composite bar is ,
Consider a thin square sheet of side L and thickness t, made of a material of resistivity rho. The resistance between two opposite faces , shown by the shaded areas in the figure , is
13
Nov
Consider a thin square sheet of side L and thickness t, made of a material of resistivity rho. The resistance between two opposite faces , shown by the shaded areas in the figure , is Consider a thin square sheet of side L and thickness t is made of a material of resistivity rho. The [...]
Two batteries with e.m.f 12 V and 13 V are connected in parallel across a load resistor of 10Ω. The internal resistances of the two batteries are 1Ω and 2Ω respectively. The voltage across the load lies between :
13
Nov
Two batteries with e.m.f 12 V and 13 V are connected in parallel across a load resistor of 10Ω. The internal resistances of the two batteries are 1Ω and 2Ω respectively. The voltage across the load lies between : The potential difference Va- Vb for the circuit shown in figure is -(22/x) V. Find the [...]
In the given circuit diagram when the current reaches steady state in the circuit , the charge on the capacitor of capacitance C will be
13
Nov
In the given circuit diagram when the current reaches steady state in the circuit , the charge on the capacitor of capacitance C will be In the given circuit diagram when the current reaches steady state in the circuit the charge on the capacitor of capacitance C will be November 13, 2020 Category: Uncategorised (JEE [...]
In the given circuit in each resistance is (1) 0.5 A (2) 0 A (3) 1 A (4) 0.25 A
13
Nov
In the given circuit in each resistance is (1) 0.5 A (2) 0 A (3) 1 A (4) 0.25 A In the given circuit in each resistance is (1) 0.5 A (2) 0 A (3) 1 A (4) 0.25 A November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In the circuit shown, the current in the 1 ohm resistor is :
13
Nov
In the circuit shown, the current in the 1 ohm resistor is : In the circuit shown the current in the 1 ohm resistor is : November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Action of water or dilute mineral acids on metals can give (a) Monohydrogen (b) Tritium (c) Dihydrogen (d) Trihydrogen
12
Nov
Action of water or dilute mineral acids on metals can give (a) Monohydrogen (b) Tritium (c) Dihydrogen (d) Trihydrogen Action of water or dilute mineral acids on metals can give (a) Monohydrogen (b) Tritium (c) Dihydrogen (d) Trihydrogen November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,