Practice Set 1
A parallel plate capacitor has plate area 100 m^2 and plate separation of 10 m. The space between the plates is filled up to a thickness 5 m with a material of dielectric constant of 10. The resultant capacitance of the system is ‘x’ pF. The value of ε0 = 8.85 × 10^–12 F.m^–1. The value of ‘x’ to the nearest integer is……….
29
Sep
A parallel plate capacitor has plate area 100 m^2 and plate separation of 10 m. The space between the plates is filled up to a thickness 5 m with a material of dielectric constant of 10. The resultant capacitance of the system is ‘x’ pF. The value of ε0 = 8.85 × 10^–12 F.m^–1. The [...]
Two separate wires A and B are stretched by 2 mm and 4 mm respectively, when they are subjected to a force of 2 N. Assume that both the wires are made up of same material and the radius of wire B is 4 times that of the radius of wire A. The length of the wires A and B are in the ratio of a : b. Then a/b can be expressed as 1/x where x is ……… .
29
Sep
Two separate wires A and B are stretched by 2 mm and 4 mm respectively, when they are subjected to a force of 2 N. Assume that both the wires are made up of same material and the radius of wire B is 4 times that of the radius of wire A. The length of [...]
A person is swimming with a speed of 10 m/s at an angle of 120° with the flow and reaches to a point directly opposite on the other side of the river. The speed of the flow is ‘x’ m/s. The value of ‘x’ to the nearest integer is ……
29
Sep
A person is swimming with a speed of 10 m/s at an angle of 120° with the flow and reaches to a point directly opposite on the other side of the river. The speed of the flow is ‘x’ m/s. The value of ‘x’ to the nearest integer is …… Match List - I with [...]
The voltage across the 10W resistor in the given circuit is x volt. The value of ‘x’ to the nearest integer is …….
29
Sep
The voltage across the 10W resistor in the given circuit is x volt. The value of ‘x’ to the nearest integer is ……. The voltage across the 10W resistor in the given circuit is x volt. The value of 'x' to the nearest integer is ....... September 29, 2021 Category: JEE Mains Physics 2002-2019 Solved [...]
The circuit shown in the figure consists of a charged capacitor of capacity 3 μF and a charge of 30 μC. At time t = 0, when the key is closed, the value of current flowing through the 5 MW resistor is ‘x’ μ-A. The value of ‘x to the nearest integer is …………
29
Sep
The circuit shown in the figure consists of a charged capacitor of capacity 3 μF and a charge of 30 μC. At time t = 0, when the key is closed, the value of current flowing through the 5 MW resistor is ‘x’ μ-A. The value of ‘x to the nearest integer is ………… The [...]
A particle performs simple harmonic motion with a period of 2 second. The time taken by the particle to cover a displacement equal to half of its amplitude from the mean position is 1/as. The value of ‘a’ to the nearest integer is ……… .
29
Sep
A particle performs simple harmonic motion with a period of 2 second. The time taken by the particle to cover a displacement equal to half of its amplitude from the mean position is 1/as. The value of ‘a’ to the nearest integer is ……… . Match List - I with List - II (a) 10 [...]
The time period of a satellite in a circular orbit of radius R is T. The period of another satellite in a circular orbit of radius 9R is :
29
Sep
The time period of a satellite in a circular orbit of radius R is T. The period of another satellite in a circular orbit of radius 9R is : The time period of a satellite in a circular orbit of radius R is T. The period of another satellite in a circular orbit of radius [...]
A loop of flexible wire of irregular shape carrying current is placed in an external magnetic field. Identify the effect of the field on the wire.
29
Sep
A loop of flexible wire of irregular shape carrying current is placed in an external magnetic field. Identify the effect of the field on the wire. A loop of flexible wire of irregular shape carrying current is placed in an external magnetic field. Identify the effect of the field on the wire. September 29, 2021 [...]
Your friend is having eye sight problem. She is not able lo see clearly a distant uniform window mesh and it appears to her as nonuniform and distorted. The doctor diagnosed the problem as :
29
Sep
Your friend is having eye sight problem. She is not able lo see clearly a distant uniform window mesh and it appears to her as nonuniform and distorted. The doctor diagnosed the problem as : Your friend is having eye sight problem. She is not able lo see clearly a distant uniform window mesh and [...]
In a scries LCR resonance circuit, if we change the resistance only, from a lower to higher value
29
Sep
In a scries LCR resonance circuit, if we change the resistance only, from a lower to higher value from a lower to higher value if we change the resistance only In a scries LCR resonance circuit September 29, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,