WBJEE 2021 Physics and Chemistry Solved Paper

PHYSICS

CATEGORY - I (Q1 to Q30)

Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.

Question : 19 of 80

Marks: +1, -0

Two point charges +q1 and +q2 are placed a finite distance ' d ' apart. It is desired to put a third charge q3 in between these two charges so that q3 is in equilibrium. This is

possible only if q3 is negative.
possible only if q3 is positive.
possible irrespective of the sign of q3.
not possible at all.

Validate

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