PhysicsCapacitorsJAMB
Placing a dielectric between the plates of a capacitor increases its capacitance because the dielectric
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Answer: A. reduces the electric field between the plates for the same charge
Polarisation of the dielectric weakens the field, so the p.d. falls and C = Q/V rises.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.