An initially uncharged parallel plate capacitor is connected to a circuit containing a battery with emf 8-42V and a resistor,R = 4.9MQ as shown in the figure to below. The capacitor whose plates have an area of A = 7.1mm² are separated by adistance of d = 5mm and one third of the capacitor is filled with a dielectric material, K₁ = 3.5 and the rest (two thirds) is filled withanother dielectric material, K₂ = 3.4. At t=0 the switch is closed. 5.4 seconds after the switch is closed the electric field within the firstdielectric material (K₁) is observed to be 18 × 106 N/C. Find the charge on the capacitor at this instant (t = 5.4s) in terms ofpermitivity of free space €0? Express your answer using zero decimal place.REAnswer:SK1K2

A battery with emf Volts. The resistor value is .The capacitor plate area is The distance between…

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