JEE Mains 05-Sep-2020 Shift 1 Solved Paper

Two concentric circular coils, C1 and C2, are placed in the XY plane. C1 has 500 turns, and a radius of 1−cm.C2 has 200 turns and radius of 20cm.C2 carries a time dependent current I(t)=(5t2−2t+3) A where t is in s. The emf induced in C1 (in mV ), at the instant t=1s is

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x

. The value of x is ______.