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KCET2024PhysicsElectrostatics

A uniform electric field E=3 10^5 NC ⁻¹ is acting along the positive Y -axis. The electric flux through a rectangle of area 10 ~cm 30 ~cm whose plane is parallel to the ZX -plane is

Options

  1. A12 10^3 Vm
  2. B9 10^3 Vm
  3. C15 10^3 Vm
  4. D18 10^5 Vm

Correct answer

B. 9 10^3 Vm

Step-by-step solution

Given, E =3 10^5 j NC ⁻¹A=10 ~cm 30 ~cm =3 10⁻² ~m ^2 A =3 10⁻² j ~m ^2 (For ZX-plane) Electric flux, = E A =3 10^5 j 3 10⁻² j =9 10^3 ~V - m

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