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Two charges placed in air repel each other by a force of 10⁻⁴ N. When oil is introduced between the charges, the force becomes 2.5 x 10⁻⁵ N. The dielectric constant of oil is
Options
(a) 2.5
(b) 0.25
(c) 2
(d) 4
Correct Answer:
4
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
- Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
- Eight drops of a liquid of density ρ and each of radius a are falling through air
- The thermo e.m.f. E in volts of a certain thermocouple is found to vary
- Two thin lenses when placed in contact, then the power of combination is +10 D.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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