Question

· Three charges –q, , +q, and-q, are placed
as shown in the figure. The x-component
of the force on-q, is proportional to :
(AIEEE 2003]
​

Answer 1

Answer:

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Explanation:

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Answer 2

F

2

= Force applied by q

2

on −q

1

F

3

= Force applied by (−q

3

) on −q

1

X− component of net force on −q

1

is

F

x

=F

2

+F

3

sinθ

=K

b

2

q

1

q

2

+K

a

2

q

1

q

3

sinθ

⇒F

x

=K[

b

2

q

1

q

2

+

a

2

−q

1

q

3

sinθ]

⇒F

x

=Kq

1

[

b

2

q

2

+

a

2

q

3

sinθ]

or, (

b

2

q

2

+

a

2

q

3

sinθ)