A car is travelling at 72 km/h. If the length of an axle is

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A car is travelling at 72 km/h. If the length of an axle is 2 m and the vertical component of the earth’s magnetic field is 40 μWb/m², the e.m.f. generated in the axle of the car is

[ESE 2019 Paper 2 (Technical) ECE]

A 2.6 mV

B 2.2 mV

C 1.6 mV

D 1.2 Mv