267952 A sphere carrying charge$0.01\mathrm{C}$ is kept at rest without falling down, touching a wall by applying an electric field $100\mathrm{N}/\mathrm{C}$.If the coeffcient of friction between the sphere and the wall is 0.2 , the weight of the sphere is

267954 Two identical point charges are placed at a separation of /.$\mathrm{P}$ is a point on the line joining the charges, at a distance $x$ from any one charge. The field at $P$ is $E$. $E$ is plotted against $x$ for values of $x$ from close to zero to slightly less than 1. Which of the following best represents the resulting curve?

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267955 A particle of charge$-q$ and mass $m$ moves in a circular orbit of radius $r$ about a fixed charge $+Q$. The relation between the radius of the orbit $r$ and thetime period $T$ is

267952 A sphere carrying charge$0.01\mathrm{C}$ is kept at rest without falling down, touching a wall by applying an electric field $100\mathrm{N}/\mathrm{C}$.If the coeffcient of friction between the sphere and the wall is 0.2 , the weight of the sphere is

267953 A particle of mass$1\mathrm{kg}$ and carrying positive charge $0.01\mathrm{C}$ issliding down an inclined plane of angle ${30}^{\circ }$ with the horizontal. An electric field $E$ is applied to stop the particle. If the coefficient of friction between the particle and
the surface of the plane is $\frac{1}{2\sqrt{3}},E$ must be

267954 Two identical point charges are placed at a separation of /.$\mathrm{P}$ is a point on the line joining the charges, at a distance $x$ from any one charge. The field at $P$ is $E$. $E$ is plotted against $x$ for values of $x$ from close to zero to slightly less than 1. Which of the following best represents the resulting curve?

1

2

3

4

267955 A particle of charge$-q$ and mass $m$ moves in a circular orbit of radius $r$ about a fixed charge $+Q$. The relation between the radius of the orbit $r$ and thetime period $T$ is

267952 A sphere carrying charge$0.01\mathrm{C}$ is kept at rest without falling down, touching a wall by applying an electric field $100\mathrm{N}/\mathrm{C}$.If the coeffcient of friction between the sphere and the wall is 0.2 , the weight of the sphere is

267953 A particle of mass$1\mathrm{kg}$ and carrying positive charge $0.01\mathrm{C}$ issliding down an inclined plane of angle ${30}^{\circ }$ with the horizontal. An electric field $E$ is applied to stop the particle. If the coefficient of friction between the particle and
the surface of the plane is $\frac{1}{2\sqrt{3}},E$ must be

267954 Two identical point charges are placed at a separation of /.$\mathrm{P}$ is a point on the line joining the charges, at a distance $x$ from any one charge. The field at $P$ is $E$. $E$ is plotted against $x$ for values of $x$ from close to zero to slightly less than 1. Which of the following best represents the resulting curve?

1

2

3

4

267955 A particle of charge$-q$ and mass $m$ moves in a circular orbit of radius $r$ about a fixed charge $+Q$. The relation between the radius of the orbit $r$ and thetime period $T$ is

267952 A sphere carrying charge$0.01\mathrm{C}$ is kept at rest without falling down, touching a wall by applying an electric field $100\mathrm{N}/\mathrm{C}$.If the coeffcient of friction between the sphere and the wall is 0.2 , the weight of the sphere is

267953 A particle of mass$1\mathrm{kg}$ and carrying positive charge $0.01\mathrm{C}$ issliding down an inclined plane of angle ${30}^{\circ }$ with the horizontal. An electric field $E$ is applied to stop the particle. If the coefficient of friction between the particle and
the surface of the plane is $\frac{1}{2\sqrt{3}},E$ must be

267954 Two identical point charges are placed at a separation of /.$\mathrm{P}$ is a point on the line joining the charges, at a distance $x$ from any one charge. The field at $P$ is $E$. $E$ is plotted against $x$ for values of $x$ from close to zero to slightly less than 1. Which of the following best represents the resulting curve?

1

2

3

4

267955 A particle of charge$-q$ and mass $m$ moves in a circular orbit of radius $r$ about a fixed charge $+Q$. The relation between the radius of the orbit $r$ and thetime period $T$ is