

MCQOPTIONS
Saved Bookmarks
1. |
An aeroplane of wingspan 10m flies from the equator towards the North Pole. The wings are perpendicular to the vertical component of the earths magnetic field (B = 4 10-5T). At maximum speed an emf of 96mV is induced across the wing tips. The maximum speed of the aeroplane is |
A. | 150msec-1 |
B. | 384msec-1 |
C. | 38.4msec-1 |
D. | 200msec-1 |
Answer» C. 38.4msec-1 | |