Home
Class 12
PHYSICS
Calculate the electric flux through the ...

Calculate the electric flux through the ractangle of sides 5 cm and 10 cm kept in the rigion of a uniform field 100 `NC^(-1)` . The angle `theta ` is `60^(@)` . Suppose `theta ` becomes zero what is the electric flux?

Text Solution

Verified by Experts

The electric flux `phi_(E)=vecExxvecA=Eacostheta=100xx5xx10xx10^(-4)xxcos60^(@)`
implies `phi_(E)=0.25N.m^(2)C^(-1)`
For `theta=0^(@)`
`phi_(E)=vecE.vecA=EA=100xx5xx10xx10^(-4)=0.5 N.m^(2)C^(-1)`
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER-6

    FULL MARKS|Exercise PART - IV|1 Videos

  • SAMPLE PAPER-6

    FULL MARKS|Exercise PART - III|18 Videos

  • SAMPLE PAPER-6

    FULL MARKS|Exercise PART - III|18 Videos

  • SAMPLE PAPER-2 (SOLVED)

    FULL MARKS|Exercise Part -IV|10 Videos

  • SAMPLE PAPER-8

    FULL MARKS|Exercise PART-IV|10 Videos

Similar Questions

Explore conceptually related problems

What is the elctric flux through a cube of side 1 cm which encloses on electric dipole ?

Find the electric flux through each face of a hollow cube of side 10 cm, if a charge of 8.85 muC is placed at the cnetre.

An electric dipole with dipole moment 4 xx 10^(-9) cm is kept at 30^@ with the direction of uniform electic field of magnitude 5 xx 10^4 NC^(-1) . The magnitude of torque on the dipole is

A square coil of side 30 cm with 500 turns is kept in a uniform magnetic field of 0.4 T. The plane of the coil is inclined at an angle of 30^(@) to the field. Calculate the magnetic flux through the coil.

Calculate the torque of a 100 turns rectangular coil of length 40 cm and breadth 20 cm, carrying a current of 10 A , when placed making an angle of 60^(@) with a magnetic field of 57.

A square surface of side L metre in the plane of the paper is placed in a uniform electric field E(volt//m) acting along the same plane at an angle theta with the horizontal side of the square as shown in figure.The electric flux linked to the surface in units of volt meter is:

Careful measurement of the electric field at the surface of a black box indicates that the net outward flux through the surface of the box is 8.0 xx 10^(3) Nm^(2)//C. a. What is the net charge inside the box? b. If the net outward flux through the surface of the box were zero, could you conclude that there were no charges inside the box? Why or why not?

A rectangular loop of sides 20 cm and 10 cm carries a current of 5.0 A. A uniform magnetic field of magnituded 0.20 T exists parallel to the longer side of the loop (a) What is the force acting on the loop? (b) what is the torque acting on the loop?