1) For forming an electric dipole between two point charges separated by a small distance, the two point charges are of
a. Unequal magnitude and opposite sign
b. Unequal magnitude but same sign
c. Equal magnitude and same sign
d. Equal magnitude but opposite sign
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Answer
Explanation
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ANSWER: Equal magnitude but opposite sign
Explanation:
No explanation is available for this question!
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2) According to the coulomb’s law, the force between two point charges is
a. Directly proportional to the product of the charges
b. Inversely proportional to the square of the distance between them
c. Along the line joining them
d. All of these
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Answer
Explanation
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ANSWER: All of these
Explanation:
No explanation is available for this question!
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3) Electric flux density is a function of
a. Charge
b. Position
c. Medium
d. Only (a) and (b)
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Answer
Explanation
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ANSWER: Only (a) and (b)
Explanation:
No explanation is available for this question!
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4) The equation for electric flux density is given by
a. D = εV
b. D = εE
c. D = ε/E
d. D = ε/V
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Answer
Explanation
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ANSWER: D = εE
Explanation:
No explanation is available for this question!
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5) The amount of work done in moving a charge from one point to another along an equipotential line or surface charge is
a. Zero
b. Infinity
c. One
d. Two
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Answer
Explanation
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ANSWER: Zero
Explanation:
No explanation is available for this question!
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6) The potential difference between two points is given by
a. V = E / Q
b. V = W / Q
c. V = Q / E
d. V = Q / W
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Answer
Explanation
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ANSWER: V = W / Q
Explanation:
No explanation is available for this question!
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7) Gauss’s law is applicable for
a. Only point charge
b. Infinite line charge
c. Infinite sheet of charge
d. All of these
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Answer
Explanation
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ANSWER: All of these
Explanation:
No explanation is available for this question!
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8) “ Total electric flux through any closed surface is equal to the charge enclosed by that surface ”. This is
a. Lenz’s law
b. Gauss’s law
c. Maxwell’s law
d. Faraday’s law
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Answer
Explanation
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ANSWER: Gauss’s law
Explanation:
No explanation is available for this question!
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9) Electric field intensity is
a. Directly proportional to the force applied
b. Inversely proportional to the force applied
c. Directly proportional to the permittivity
d. Inversely proportional to the charge
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Answer
Explanation
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ANSWER: Directly proportional to the force applied
Explanation:
No explanation is available for this question!
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10) One electron charge is equal to
a. 1.925 x 10 –31C
b. 1.6019 x 10 -19C
c. – 1.925 x 10 –31C
d. – 1.6019 x 10 –19C
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Answer
Explanation
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ANSWER: – 1.6019 x 10–19C
Explanation:
No explanation is available for this question!
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