2. The 5.2 m long metal rotor blades of a helicopter spin at 6.0 revolutions per second perpendicular to the earth's magnetic field of 4.7x10 T. Axis What is the magnetic flux swept out by the rotor blades in one revolution and what is the emf induced between the axis and tip of a rotor blade?

2. The 5.2 m long metal rotor blades of a helicopter spin at 6.0 revolutions per second perpendicular to the earth's magnetic field of 4.7x10 T. Axis What is the magnetic flux swept out by the rotor blades in one revolution and what is the emf induced between the axis and tip of a rotor blade?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter26: Electromagnetism

Section26.1: Interactions Of Electric And Manetic Fields And Matter

Problem 2PP

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Question

C
12:52
HW8_60e193652a3a1c9d2d...
2.
2 of 4
SOS
Done
The 5.2 m long metal rotor blades of a helicopter spin at 6.0 revolutions per second
perpendicular to the earth's magnetic field of 4.7x10 T.
Axis
What is the magnetic flux swept out by the rotor blades in one revolution and what is the emf
induced between the axis and tip of a rotor blade?
3. In a CRT electrons are accelerated from rest by a potential difference of 1.40x10'V These electrons enter a
magnetic field with a strength of 2.20x102 T Assuming the electrons are traveling perpendicular to the field what
id the radius of the are of the deflected electrons?

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