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Two parallel metal plates having charges +Q and -Q face each other at a certain distance between them. If the plates are now dipped in kerosene oil tank, the electric field between the plates will
Options
(a) remain same
(b) become zero
(c) increases
(d) decrease
Correct Answer:
decrease
Explanation:
Electric field E = σ / ? = Q / A?
? of kerosine oil is more than that of air. As ? increases, E decreases.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The rate of increase of thermo-e.m.f. with temperature at the neutral temperature
- A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- The coherence of two light sources means that the light waves emitted have
- A small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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