5. The figure shows the electric field lines in the vicinity of two point charge

Question

5. The figure shows the electric field lines in the vicinity of two point charges. Which one of the following statements concerning this situation is true? 42 A) Both giand have the same sign of charge. B) The magnitude of the electric field is the same everywhere. C) The magnitude of the ratio (g2/ qi) is less than one. D) The electric field is strongest midway between the charges. E) qi is negative and qz is positive. 6. Two charged point particles are located at two vertices of an equilateral triangle and the electric field is zero at the third vertex. We conclude: A) the two particles have charges with opposite signs and different magnitudes B) the two particles have charges with the same sign but different magnitudes C) the two particles have charges with opposite signs and the same magnitude D) at least one other charged particle is present E) the two particles have identical charges

Explanation / Answer

5)

here q1 is positive and q2 is negative

q1 is greater than q2 in magnitude

q1/q2 >1 and so q2/q1 <1

electric field is strong near by q1

the field is non uniform electric field

so the answer is

C)

6) if the charges are present at the two vertices ,then any combination of A) ,B) and C) the Net electric field is not zero

so the answer is D)

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