An aeroplane having a wingspan of 35m flies due north at speed 90m/s. The potential difference between the end point over a given locality if vertical components of earth’s ; magnetic field is 4 x 10-4 Wb/m2 is:
A. 1.29 volts
B. 1.26 volts
C. 1.06 volts
D. 1.66 volts
Answer:B
An aeroplane having a wingspan of 35m flies due north at speed 90m/s. The potential difference between the end point over a given locality if vertical components of earth’s ; magnetic field is 4 x 10-4 Wb/m2 is:
A. 1.29 volts B. 1.26 volts C. 1.06 volts D. 1.66 volts