Home
Class 12
PHYSICS
Two charges q1 and q2 are placed 30 cm a...

Two charges `q_1` and `q_2` are placed 30 cm apart, as shown in the figure. A third charge q, is moved along the arc of a circle of radius 40 cm from C to D. The change in the potential energy of system is `(kq_3)/(4piepsilon_0)`, then the value of k is

A

`8q_2`

B

`8q_1`

C

`6q_2`

D

`6q_1`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PHYSICS PART2

    FIITJEE|Exercise Section (I) : Subjective|4 Videos

  • PHYSICS PART2

    FIITJEE|Exercise Section (II) : MCQ|27 Videos

  • PHYSICS PART-III

    FIITJEE|Exercise NUMERICAL BASED QUESTIONS DECIMAL TYPE|11 Videos

  • ROTATIONAL MECHANICS

    FIITJEE|Exercise COMPREHENSION - IV|2 Videos

Similar Questions

Explore conceptually related problems

Two charges q_(1) and q_(2) are placed 30 cm apart, as shown in the figure. A third charge q_(3) is moved along the arc of a circle of radius 40 cm from C to D . The change in the potential energy o fthe system is (q_(3))/(4pi epsilon_(0))k ., where k is

Two charges q_(1)=+2xx10^(-8)C and q_(3)=-0.4xx10^(-8)C are placed 60cm apart, as shown in fig. A third charge q_(3)=+0.2xx10^(-8)C is moved along the arc of a circle of radius 80 cm from C to D. Compute the percentage change in the energy of the system.

Two charges 4q and q are placed 30 cm. apart. At what point the value of electric field will be zero

Three charges -q_1 , +q_2 and -q_3 are placed as shown in the figure. The x-component of the force on -q_1 is proportional to

Two charges Q_(1) and Q_(2) coulombs are shown in figure. A third charge Q_(3) coulombs is moved from points R to S along a circular path. Change in potential energy of the charge is -

Two point charges +4q and +q are placed 30cm apart. At what point on the line joining them is the electric field zero

A particle of mass m and charge -q circulates around a fixed charge q in a circle radius under electrostatic force. The total energy of the system is (k= (1/4piepsilon_0) )

The value of charge q_1 ,q_2 and q_3 as shown in the figure are