Home
Class 12
PHYSICS
A circular plane sheet of radius 10 cm i...

A circular plane sheet of radius 10 cm is placed in a uniform electric field of `5xx10^(5) NC^(-1)`, making an angle of `60^(@)` with the field. Calculate electric flux through the sheet.

A

`1.36xx10^(2)Nm^(2)C^(-1)`

B

`1.36xx10^(4)Nm^(2)C^(-1)`

C

`0.515xx10^(2)Nm^(2)C^(-1)`

D

`0.515xx10^(4)Nm^(2)C^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Here, r = 10 cm = 0.1 m, `E=5xx10^(5)NC^(-1)`
As the angle between the plane sheet and the electric field is `60^(@)`, angle made by the normal to the plane sheet and the electric field is `theta=90^(@)-60^(@)=30^(@)`
`phi_(E)=EScostheta=Exxpir^(2)costheta`
`=5xx10^(5)xx3.14xx(0.1)^(2)cos30^(@)=1.36xx10^(4)Nm^(2)C^(-1)`
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    NCERT FINGERTIPS|Exercise Electric Dipole|5 Videos

  • ELECTRIC CHARGES AND FIELDS

    NCERT FINGERTIPS|Exercise Dipole In A Uniform External Field|3 Videos

  • ELECTRIC CHARGES AND FIELDS

    NCERT FINGERTIPS|Exercise Electric Field Lines|12 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • ELECTROMAGNETIC INDUCTION

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

A plane surface of element of area 1 mm^(2) is situated in a uniform electric field of intensity 9xx10^(6)N//C with its plane making an angle of 30^(@) with the direction of the field. The electric flux through the surface element is

An electric dipole of dipole moment 4xx10^(-5) Cm is placed in a uniform electric field of 10^(-3) N//C making an angle of 30^(@) with the direction of the field. Determine the torque exerted by the electric field on the dipole.

A circular loop of radius 10 cm is placed in a region of magnetic field of 0.5 T with its plane parallel to the magnetic field. Calculate the magnetic flux through the coil.

A diople consisting of an electron and a proton separated by a distance of 4xx10^(-10) m is situated in an electric field of intensity 3xx10^(5) NC^(-1) at an angle of 30^(@) with the field. Calculate the diople moment and the torque acting on it. Charge e on an electron = 1*6xx10^(-19) C.

A rectangular surface of sides 10 cm and 15 cm is palaced inside a uniform electric field fo 25 Vm^(-1) , such that normal to the surface makes an angle of 60^(@) with the direction of electric field. Find the flux of electric field through the rectangular surface.

A coil of radius 1cm and 100 turns is placed in a magnetic field of 10^(6) gauss such that its plane makes an angle 30^(@) with the field . The magnetic flux through the coil in S.I unit is

A plane area of 100cm^(2) is placed in uniform electric field of 100N//C such that the angle between area vector and electric field is 60^(@) . The electric flux over the surface is

A plane surface of area 200cm^(2) is kept in a uniform electric field of intensity 200 N/C. if the angle between the normal to the surface and field is 60^(@) , the electric flux through the surface is

An alpha -particle is situated in an electric field of 1.5xx10^(5) NC^(-1) . Determine the force exerted on it.