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Andru [333]
2 years ago
7

In a model generator, a 310-turn rectangular coil 0.075 m by 0.18 m rotates with an angular frequency of 12.2 rad/s in a uniform

magnetic field of 0.64 T. What is the maximum emf induced in the coil
Physics
1 answer:
Novosadov [1.4K]2 years ago
4 0

This question involves the concepts of the induced emf, magnetic field, and angular frequency.

The maximum emf induced in the coil is "32.68 volts".

The following formula can be used to find out the induced emf in the coil.

E =N\omega AB\ Sin(\omega t)

But, for maximum induced emf sin function should have a value of 1. Therefore,

E = N\omega AB

where,

E = induced emf = ?

N = No. of turns in the coil = 310 turns

ω = angular frequency = 12.2 rad/s

A = Area of coil = (0.075 m)(0.18 m) = 0.0135 m²

B = magnetic field = 0.64 T

Therefore,

E=(310)(12.2\ rad/s)(0.0135\ m^2)(0.64\ T)

<u>E = 32.68 volts</u>

Learn more about induced emf here:

brainly.com/question/18441805?referrer=searchResults

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3 years ago
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3 years ago
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a bus is moving at 22m/s [E] for 12s. Then the bus driver slows down at 1.2m/s2 [W] until the bus stops. Determine the total dis
KatRina [158]
The total displacement is equal to the total distance. For the east or E direction, the distance is determined using the equation:

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For the west or W direction, we use the equations:
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d = v₀t + 0.5at²

Because the object slows down, the acceleration is negative. So,
-1.2 m/s² = (0 m/s - 22 m/s)/t
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Brut [27]

Answer:

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Since the compass is free to swivel in any direction, the compass would point up, since it is at the earth's geographic north magnetic pole, the place on the earth's surface that compasses point toward.

So, the compass would point up.

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