A320-m length of wire stretches between two towers and carries a 120-a current. determine the magnitude of the force on the wire due to the earth's magnetic field of 5.0 ×10−5t which makes an angle of 60 ∘ with the wire.
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Ответ:
Length of wire, L = 320 m
Current through the wire, I = 120 Amps
Earth's magnetic field acting on the wire, B = 5.0*10^-5 T
Angle at which the magnetic field acts, Ф = 60°
By definition;
Force on the wire, F = LBI Sin Ф
Substituting;
F = 320*5*10^-5*120*Sin 60 = 1.663 N
Ответ:
Given:
In right triangle
.
To find:
The ratio (fraction) for Tan H.
Solution:
In a right triangle,
In
.
It can be written as
Therefore, the fraction for Tan H is
or it can be written as
.