Answer:
Emf induced in the coli will be equal to 26 volt
Explanation:
We have given number of turns N = 13
It is given that magnetic flux changes from 2.1 Weber to 2.7 Weber in 0.3 sec
Change in flux 
Change in time dt = 0.3 sec
We have to find the induced emf
Induced emf is equal to 
So emf induced in the coil will be equal to 6 volt
The object will remain at rest
Newton's first law states that if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.
Here net force is zero
An object with a net force of zero acting on it will remain at rest, if initially at rest, or it will maintain a constant velocity.
F=MA
Force F=0
Than Acceleration A=0
With zero Acceleration stationary object will remain at rest.
Hence Remain at rest is the correct answer
Learn more about Newton's law of motion here
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Glucose, they produce that when going thru photosynthesis!
Answer:
15 N
Explanation:
The magnetic force on a piece of current-carrying wire is given by:
where
I is the current in the wire
L is the length of the piece of wire
B is the magnetic field strength
is the angle between the direction of B and I
In this problem:
I = 10 A
B = 0.3 T
L = 5 m
Substituting into the equation, we find
