Home
Class 12
PHYSICS
A helicopter rises vertically with a spe...

A helicopter rises vertically with a speed of 100 ms-1. If helicopter has length 10 m and horizontal component of Earth’s magnetic Held is fix 10"3 Wbm“2, then the induced emf between the tip of nose and tail of helicopter is

A

50V

B

0.5V

C

5V

D

25V

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A helicopter rises vertically upwards with a speed of 100 m//s . If the helicopter has a length of 10m and horizontal component of earth's magnetic field is 5 xx 10^(-3)Wb//m^(2) , then the induced emf between the tip of the nose and the tail of the helicopter is

A helicopter rise verticaly with a speed of 10ms^(-1) . If helicopter has a length of 10 m and the horizontal component of the earth's magentic field is 1.5 xx 10^(-3) Wbm^(2) , the emf induced between the tip of the nose and the tail of the helicopter, is

An aeroplane having a distance of 50 metre between the edges of its wings is flying horizontally with a speed of 360km // hour. If the vertical component of earth’s magnetic field is 4 xx 10^(–4)" weber"//m^(2) , then the induced emf between the edges of its wings will be –

A metal conductor of length 1m rotates vertically about one of its ends at angular velocity 5 radians per second. If the horizontal component of earth's magnetic field is 0.2xx10^(-4)T , then the emf developed between the two ends of hte conductor is

A metre gauge train is running towards north with a speed of 20 m//s . If the vertical component of earth's magnetic induction is 3 xx 10^(-4) Wb//m^(2) , then the e.m.f. induced at the end of the axle is

A wheel with 20 metallic spokes each of length 8.0 m long is rotated with a speed of 120 revolution per minute in a plane normal to the horizontal component of earth magnetic field H at a place. If H=0.4xx10^(-4) T at the place, then induced emf between the axle the rim of the wheel is

The axle of a railway engine is of length 150 cm. the engine oves with a speed of 60 km/hr in horizontal direction the angle of dip is 46^(@) and horizontal component of earth's magnetic induction is 3.6xx10^(-5)Wb//m^(2) . The emf that will exist between the ends of the axle is