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Electric Field

A point charg...

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A point charge q exerts an electric force on a second point charge q2. If third charge q3 is brought near, the electric force of q1 exerted on q2 will? a)increase b)decrease c)remains unchanged d) increases if q3 is of same origin and decreases if q3 is of opposite orig

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q_{1}

exerts some force on a second charge

q_{2}

. If third charge

q_{3}

is brought near, the force of

q_{1}

q_{2}

q_{1}

exerts some force on a second charge

q_{2}

. If third charge

q_{3}

is brought near, the force of

q_{1}

q_{2}

Q. A point charge

q_{1}

exerts an electric force on a second point charge

q_{2}

. If a third charge

q_{3}

is brought near to

q_{2}

, the electrostatic force exerted by

q_{1}

q_{2}

will
(Presence of charges in the vicinity does not change the force between any two charges)

Q. A charge q1 exerts some force charge q2. If q3 is brought near, the force of q1 on q2

Q. Three point charges

q_{1}, q_{2}

q_{3}

are taken such that when

q_{1}

q_{2}

are placed close together to form a single point charge, the force on

q_{3}

L

from this combination is a repulsion of

2

unit magnitude. When

q_{2}

q_{3}

are combined, the force on

q_{1}

, from same distance

L

is of magnitude

4

unit and is attractive. Also

q_{3}

q_{1}

combining exert

6

a force of magnitude

18

unit attractive on

q_{2}

from same distance

L

, Algebraic ratio of charges

q_{1}, q_{2}

q_{3}

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