EWT | Academic Question

Questions
Question (1)
QN0038859
  1. In the figure, a very large plane sheet of positive charge is shown.  and  are two points at distance  and  from the charge distribution. If  is the surface charge density, then the magnitude of electric fields  and  at  and  respectively are :                                                                              

A diagram of a circuit

Description automatically generated

  • (A)

  • (B)

  • (C)

  • (D)

Correct Answer: C
Explanation:

Electric field due to infinite sheet is given by ,

clearly  is independent of distance

So,

Link:
Report Error
Question (2)
QN0038860

3 infinitely long charge sheets are placed as shown in figure. electric field at point  is 

A diagram of a graph

Description automatically generated

  • (A)

  • (B)

  • (C)

  • (D)

Correct Answer: C
Explanation:

Figure shows the electric fields due to the sheets 1,2 and 3 at point . The direction of electric fields are according to the charge on the sheets (away from positively charge sheet and towards the negatively charged sheet and perpendicular).

The total electric field

Link:
Report Error
Question (3)
QN0038861

Two parallel large thin metal sheets have equal surface densities  of opposite signs. The electric field between these sheets is-

  • (A)

  • (B)

  • (C)

  • (D)

Correct Answer: D
Explanation:

Surface Charge density,

Link:
Report Error
Question (4)
QN0038862

A rod of length  and radius  carries a negative charge of  spread uniformly over it surface. Electric field near the mid-point of the rod, at a point on its surface is NCERT Page-38/N-34

  • (A)

  • (B)

  • (C)

  • (D)

Correct Answer: C
Explanation:

Here,

Linear charge density,

Electric field,

Link:
Report Error
Excel With Tutors

Learn At Your Own Pace... Because, Everyone's Pace of Learning is Different...

ExcelWithTutors

A unit of Innovexcel Edu Solution LLP.

SWIFT, RELIABLE & CONVENIENT..


Social Media

Corporate Office :
Bharat Impact Building, C-26, Sector - 59, Noida, Uttar Pradesh - 201301, India

Excel With Tutors : A Perfect Tutoring Platform & Repository of Learning Materials. Matches the Best Tutor as Per Your Requirement.


© 2025 | ©Innovexcel Edu Solution LLP. All Rights Reserved.

Technology Partner: Indev Consultancy Pvt Ltd

Find a Tutor Join as Tutor