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Standard X

Physics

Magnetic Field Due to a Straight Current Carrying Conductor

Two equal but...

Question

Two equal but opposite point charges are fixed in position on the $x$ and $y$ axes, as shown in the figure above. Identify the arrows which illustrate the direction of the resulting electric field at the origin $O$ ?

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Solution

The correct option is D $↘$
The electric field at O due to charge +Q will be directed along negative y-axis and field at O due to -Q directed along positive x-axis. Thus, the resultant field at O will be directed as shown in option D.

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Similar questions

Q. Match the column I with column II and mark the appropriate choice.

	Column I		Column II
(A)	Ferromagnetic	(i)	$↑↑↓↑↑↓↑↑$
(B)	Ferrimagnetic	(ii)	$↑↓↑↓↑↓↑↓$
(C)	fantiferromagnetic	(iii)	$↑↑↑↑↑↑↑↑$
(D)	Diamagnetic	(iv)	$↿⇂↿⇂↿⇂↿⇂↿⇂$
(E)	Paramagnetic	(v)	$↖↙\to↑↘↗$

Q. Two point charges

(+ Q)

and

(- 2 Q)

are fixed on the X-axis at positions

a

and

2 a

from origin respectively. At what positions on the axis, the resultant electric field is zero.

Q. Two equal positive charges are fixed along x - axis at

- a

and

a

as shown.

E_{x}

and

E_{y}

represent electric field along x - and y- axes respectively and

V

represents potential.

Q. The circles as shown in figure represent point charges. The blue one is negative, and the red one is positive.
If the charges are of the same magnitude, which arrow best represents the direction of the electric field at point P?

Two point charges $q_{1} = 2 μ C$ and $q_{2} = 1 μ C$ are placed at distances $b = 1 c m$ and $a = 2 c m$ from the origin on the y and x axes as shown in figure. The electric field vector at point $(a, b)$ will subtend an angle $θ$ with the x - axis given by :

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Two equal but opposite point charges are fixed in position on the x and y axes, as shown in the figure above. Identify the arrows which illustrate the direction of the resulting electric field at the origin O?

The correct option is D ↘The electric field at O due to charge +Q will be directed along negative y-axis and field at O due to -Q directed along positive x-axis. Thus, the resultant field at O will be directed as shown in option D.

Two equal but opposite point charges are fixed in position on the $x$ and $y$ axes, as shown in the figure above. Identify the arrows which illustrate the direction of the resulting electric field at the origin $O$ ?

The correct option is D $↘$
The electric field at O due to charge +Q will be directed along negative y-axis and field at O due to -Q directed along positive x-axis. Thus, the resultant field at O will be directed as shown in option D.