Electrostatic| Practice MCQs Physics for Mdcat | mosaicbro.com

Electrostatic| Practice MCQs Physics for Mdcat

7 of 93 questions (Page 11 of 14)

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71 A soap bubble is given negative charges, then its radius:
Correct Answer: B
Explanation: Like charges repel, causing the bubble to expand.
72 An electric field can deflect:
Correct Answer: C
Explanation: $\alpha$-particles are charged and can be deflected by an electric field.
73 Electric intensity at a place due to a charged conductor is a:
Correct Answer: B
Explanation: Electric intensity is a vector quantity.
74 The electric field inside a spherical shell of uniform surface charge density is:
Correct Answer: A
Explanation: The electric field inside a charged spherical shell is zero.
75 Electric lines of force about a negative point charge are:
Correct Answer: C
Explanation: Field lines point radially inward toward a negative charge.
76 If an electron has an initial velocity in a direction different from that of an electric field, the path of the electron is:
Correct Answer: D
Explanation: The electron follows a parabolic path under the influence of the electric field.
77 A hollow sphere of charge does not produce an electric field at any:
Correct Answer: A
Explanation: A charged hollow shell has no electric field inside it.
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