An aeroplane having a wingspan of 35 m flies at a speed of 100 m/s. If the vertical component of earth’s magnetic field is 4 × 10-4 T, then the induced emf across the wingspan is:
A. 28 V
B. 2.8 V
C. 14 V
D. 1.4 V
Answer:D
An aeroplane having a wingspan of 35 m flies at a speed of 100 m/s. If the vertical component of earth’s magnetic field is 4 × 10-4 T, then the induced emf across the wingspan is:
A. 28 V B. 2.8 V C. 14 V D. 1.4 V