Questions
Two identical rings P and Q of radius 0.1 m are mounted coaxially at a distance 0.5 m apart. The charges on the two rings are 2C and 4C, respectively. The work done in transferring a charge of 5C from the center of P to that of Q is
detailed solution
Correct option is B
V1=k×2×10−60.1+k×4×10−6(0.1)2+(0.5)2V2=k×4×10−60.1+k×2×10−6(0.1)2+(0.5)2Work done is q(V2− V1) = 0.72 JTalk to our academic expert!
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