Electrostatics 5 Question 37

39. Two capacitors C1 and C2 are charged to 120 V and 200 V respectively. It is found that by connecting them together the potential on each one can be made zero. Then

(2013 Main)

(a) 5C1=3C2

(c) 3C1+5C2=0

(b) 3C1=5C2

(d) 9C1=4C2

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Answer:

Correct Answer: 39. (b,c)

Solution:

  1. Polarity should be mentioned in the question. Potential on each of them can be zero if, qnet =0

 or q1±q2=0

or 120C1±200C2=0 or 3C1±5C2=0



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