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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
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- When light of wavelength 300 nm falls on a photoelectric emitter,
- Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm
- If the dipole moment of a short bar magnet is 1.25 A-m², the magnetic field on its
- A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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