Home Physics Electrostatics Potential & Capacitance Electric Force Vertices of a regular hexagon of sides 3 cm …
Physics Electrostatics Potential & Capacitance Electric Force MCQ (Single Correct)

Vertices of a regular hexagon of sides 3 cm have three positive and negative charges each of magnitude θ = 1.5 nC as shown in diagram. A point charge of Q = 5nC is placed at centre of hexagon. The net force on 5 nC is-

A
9 × 10 9 N
B
Zero
C
90 × 10 –9 N
D
90N

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Text Solution

Verified by Experts
The correct answer is:
B

F R is the resultant of two (2F) forces

Hence net force is 0.

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