Q)
(chatquestion)...ABC is a right angle triangle in which AB
Q.68
= 3 cm, BC =
4 cm and ZABC =
The
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three charges +15, +12 and – 20 e.s.u. are
placed respectively on A, B and C. The
force acting on B is
(1) 125 dynes
(3) 25 dynes
(2) 35 dynes
(4) Zero
...