Question

a jet plane is travelling west at 450 ms-1. if the horizontal component of earth's magnetic field at that place is 4 * 10-4 Tesla and the angle of dip is 30 degrees, find the emf induced between the ends of the wings having span of 30 m.

Answer 1

Answer:

3.17 V (approx.)

Explanation:

v=450 m/s ; B(h)= 4×10^(-4) ; l=30 m

so , the component of earth mag field which is causing the motional emf is the vertical component by right-hand thumb rule ,

B(V)= B(h)×tan δ => 4/√3×10^(-4) T

ℰ=B(V)×lv => 3.17V