Physics, asked by ashwinih071, 1 month ago

Three identical charges each of charge 2μC are placed at the vertices A,B and C of an equilateral triangle ABC of side 0.1m. Find the magnitude and resultant of electric field at the centre of the triangle. Also calculate the magnitude of resultant electric field if one of the charges is replaced by -2µC.​

Answers

Answered by deeppratap67890
0

Answer:

jLet the effective force (F) angle be at angle θ to F

2

We know Fcosθ=F

2

and Fsinθ=F

1

⇒tanθ=

F

2

F

1

⇒tanθ=

(4)

2

Kq

2

(3)

2

Kq

2

=

3

2

4

2

tanθ=

9

16

θ=tan

−1

(

9

16

)

Answered by ssandeepkumar87
0

Answer:

Correct option is

B

tan

−1

(

9

16

)

Let the effective force (F) angle be at angle θ to F

2

We know Fcosθ=F

2

and Fsinθ=F

1

⇒tanθ=

F

2

F

1

⇒tanθ=

(4)

2

Kq

2

(3)

2

Kq

2

=

3

2

4

2

tanθ=

9

16

θ=tan

−1

(

9

16

)

Explanation:

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