- (A) Less than unity
- (B) Equal to the unit
- (C) Larger than unit
- (D) No hard and fast rule
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- (A) F/A
- (B) V/A
- (C) VF/A
- (D) q/VA
- (A) 1/4IIɛ q/r
- (B) q/ɛ0
- (C) 1/4IIɛ0. q/r2
- (D) 4IIɛ0
- (A) V/A
- (B) J/V
- (C) V/m
- (D) A/m
- (A) Electrostatics
- (B) Charges in motion
- (C) Capacitors
- (D) Electric fields
- (A) Radius decreases
- (B) Balloon bursts
- (C) Radius increase
- (D) Balloon squeezes
- (A) double
- (B) half
- (C) four times
- (D) remains same
- (A) 9x107N
- (B) 900N
- (C) 9x105N
- (D) 9x106N
- (A) 1/4th of its original value
- (B) 1/8th of its original value
- (C) 4 times of its original value
- (D) 8 times of its original value
- (A) Neutrons
- (B) X-rays
- (C) Both glass rod and silk acquire a negative charge
- (D) None
