Physics, asked by gautamvinayak2003, 9 months ago

Two point charges of charge values Q and q are placed at distances x and

x/2 respectively from a third charge of charge value 4q, all charges being in the

same straight line. Calculate the magnitude and nature of charge Q, such that the

net force experienced by the charge q is zero.

Answers

Answered by vikassultane214
1

Answer:

Distance between 4q and q=

2

x

Distance between q and Q=x−

2

x

=

2

x

F

1

= Force between 4q and q

=k×

(

2

x

)

2

4q

2

=

x

2

16kq

2

F

1

= Force between q and Q

=k×

(

2

x

)

2

qQ

=

x

2

4kqQ

Net force =0

i.e, F

1

+F

2

=0

x

2

16kq

2

+

x

2

4kqQ

=0

x

2

16kq

2

=−

x

2

4kqQ

q=

4

−Q

i.e, Q=−4q

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