GATE EE 2021 Set 1 — Question 52

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NAT+2 / -0EasyDielectric MediaElectrostaticsElectromagnetic FieldsCapacitance

Electromagnetic Fields → Electrostatics → Capacitance

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Consider a large parallel plate capacitor. The gap dd between the two plates is filled entirely with a dielectric slab of relative permittivity 5. The plates are initially charged to a potential difference of VV volts and then disconnected from the source. If the dielectric slab is pulled out completely, then the ratio of the new electric field E2E_2 in the gap to the original electric field E1E_1 is ______.
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