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alexdok [17]
4 years ago
5

A planar loop consisting of four turns of wire, each of which encloses 200 cm2, is oriented perpendicularly to a magnetic field

that increases uniformly in magnitude from 10 mT to 25 mT in a time of 5.0 ms. What is the resulting induced current in the coil if the resistance of the coil is 5.0 ?
Physics
1 answer:
spayn [35]4 years ago
7 0

Answer:

0.6A

Explanation:

Area of loop =200cm2 =200 x10 ∧-4m∧2  Change in Magnetic field (B)= 25mT -10mT =15mT time =5ms

From Faraday' s law of induction EMF(E)= change in magnetic field/time

    E= 15mT/5ms

Note, that one weber per second is equivalent to one volt.

= 3V

from Ohm's law I =E/R  

=3/5 =0.6A

 

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Snezhnost [94]

Given parameters:

Mass of object = 6.7kg

Velocity  = 8m/s

Unknown parameter:

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Energy is defined as the ability to do work. There are two forms of energy;

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Kinetic energy is the energy due to the motion of a body. Whereas, potential energy is the energy due to the position of a body usually at rest.

Kinetic energy is mathematically expressed as;

             Kinetic energy  = \frac{1}{2} m v^{2}

where m is the mass of the body

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Since we have been given both mass and velocity, input the parameter to solve for the unknown;

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3 years ago
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