1HP is written in an electric motor. what does it mean?
2 answers:
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Answer:
Intensity = 11.56W/m²
The energy flowing through the given area is 4.55 J
Explanation:
The expression for the intensity of the electromagnetic wave is,
Here, is the permittivity of the free space,
is the electric field amplitude and
c is the speed of the light.
substitute
⁸m/s for c
8.85×10 −12 C²
/N⋅m² for
and 93.3 V/m for
The expression for the energy is,
E = I×A×t
Here, I is the intensity of the electromagnetic wave,
A is the area, and
t is the time.
Substitute
11.56W/m² for I
0.0287m ² for A
13.7s for t
The energy flowing through the given area is 4.55 J
Answer:
emf=-0.035V
Explanation:
this problem can be solved with the Lenz's law:
where PhiB is the magnetic flux. In this case we have
due to the magnetic field is constant. A is the area of the circular loop. Hence
Finally
HOPE THIS HELPS!!