Answer:
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Explanation:
Answer:
I = 4.642 Ampere.
x = 2.145 cm
Explanation:
a) As we know, the magnetic field on the axis of the loop is given as
where a = radius of loop
x = point on the axis of loop
N = No of turns of coil
Current in the loop for which the magnetic field at the center is 0.0750 Tesla is given as x = 0
Therefore, the above equation can be rewritten as
I =
by putting values
I =
Current in the loop for which the magnetic field at the center is 0.0750 Tesla = I = 4.642 Ampere
b)
Now for part b the magnetic field at a distance x from the center is given as
multiply and divide by a on both sides we get
As we know, according to Biot sivorts law,the Magnetic Field at the Center of a circular loop is given as
( Magnetic field at center) =
So we got magnetic field at any point x as
= X
For magnetic field at x is half of the B at center
=
from the above two equations
=
Putting a = 2.80 cm
We have x = 2.145 cm Ans
μ
Hopefully that helps you out and is this for history or science?
Answer:
The question is incomplete, below is the complete question "The electric potential difference between the ground and a cloud in a particular thunderstorm is . What is the magnitude of the change in the electric potential energy of an electron that moves between the ground and the cloud?"
Answer:
Explanation:
data given,
Potential difference,V=3.0*10^9V
charge on an electron, q=1e.
Recall that the relationship between potential difference (v), charge(Q) and the potential energy(U) is expressed as
from the question, we asked to determine potential energy given the charge and the potential difference.
Hence if we substitute values into the equation, we arrive at
Hence the magnitude of the change in the electric potential energy of an electron that moves between the ground and the cloud is
Answer:
0.2108
Explanation:
WA = 0.245 x 0.045 = 0.011025 m2. Then, LER = 0.011025/0.0523 = 0.2108.