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CBSE Class 12-science Answered

A jet plane is travelling due west at the speed of 1800 km/h. what is the voltage difference developed between the ends of the wings 25m long, if the earths magnetic field at the location is 0.0005 T and the dip angle is 30°?


 

Asked by sbtech357 | 27 Jul, 2018, 09:24: AM
Expert Answer
Velocity of jet plane = 1800 km/h
v= 1800 × 5/18 m/s = 500 m/s
 
Length between the wings (l)= 25 m
Magnetic field (B)= 0.0005 T
Angle of dip (d) = 30°
 
Voltage difference between the two ends of wings called e.m.f (e) =Bv × v × l
Bv - vertical componnet of magnetic field
Bv = B (sin d) =0.0005 × sin 30° = 0.00025
 
e= 0.00025 × 500 × 25 
 
e= 3.125 V 
Answered by Shiwani Sawant | 27 Jul, 2018, 11:41: AM
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