Question

two point charges each of charge q=4 C are placed at distance a=b= 2 cm from the origin as shown what is the angle Subtended by the resultant electric field at point P with you axis
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Answer 1

Answer:

Answer

Given that:

Q

1

=2 μC ans Q

2

=1 μC

We know that:

E∝

d

2

Q

⇒

E

2

E

1

=

(2cm)

2

2μ

×

1μ

(1cm)

2

=

2

1

⇒E

2

=2E

1

As

E

1

is directed along +ve x-axis and

E

2

along +ve y-axis, angle made by their resultant

E

with +ve x-axis is given by tanθ=

E

1

E

2

=2