Electrostatics Question 234
Question: Two infinitely long parallel wires having linear charge densities and respectively are placed at a distance of R metres. The force per unit length on either wire will be [MP PMT/PET 1998; DPMT 2000]
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: B
Solution:
Force on l length of the wire 2 is
therefore
Also