Solution of Work Sheet of Electric Charge and Field - Physics Class 12

  1. The rate of electron transferring from object A to B is 108 e/s. What will be charge on A and B after 1 month?
  2. Two charges 2µC and 3µC are placed at 1m apart. If third charge of 1µC is placed at midpoint of the line of joining of first two. Calculate the net force on it.
  3. A charge of 5C is placed at origin O. Calculate the electric field at point p whose co-ordinate are (4,3).
  4. Two point charges q1 = 5µC and q2 = 3µC are located at position (1,3,2) and (3,5,1) respectively. Find the forces between them.
  5. Three charges +q, +q and –q are placed at the three corners of a square. Find the electric field at the forth corner.
  6. An electric field is given by E=(3i+4j-2k)x103 N/C. Calculate the electric flux through area (2i+j)x10-2 m2.
  7. Calculate the magnitude of electric field which can balance a deuteron of mass 3.34x10-27kg.
  8. Two equal sphere of water having equal and similar charges combine to form large sphere. If no charge is lost how will the surface densities of electrification charge?
  9. 11.5 g Na is completely ionized. Calculate the amount of charge on it.
  10. Calculate number of electrons in 1C of charge.
Board: 
CBSE
Class: 
12th
Subject: 
Physics
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