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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
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
- A nucleus ᴢXᴬ emits an α- particle with velocity v. The recoil speed of the daughter
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
- The input resistance of a silicon transistor is 100 W. Base current is changed
- The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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