
(a)
The magnetic flux through the coil when the axis of the coil is vertical.
(a)

Answer to Problem 21P
The magnetic flux through the coil when the axis of the coil is vertical is
Explanation of Solution
Given:
The turns of the coilis
The radius of the coil is
The axis of coil is vertical.
Formula used:
The expression for the magnetic flux through the coil is given by,
Calculation:
The expression for the magnetic flux through the coil is given by,
If the plane of the coil is vertical,
Conclusion:
Therefore, the magnetic flux through the coil when the axis of the coil is vertical is
(b)
The magnetic flux through the coil when the axis of the coil is horizontal.
(b)

Answer to Problem 21P
The magnetic flux through the coil when the axis of the coil is vertical is
Explanation of Solution
Given:
The axis of coil is vertical.
Formula used:
The expression for the magnetic flux through the coil is given by,
Calculation:
The expression for the magnetic flux through the coil is given by,
If the plane of the coil is horizontal,
Conclusion:
Therefore, the magnetic flux through the coil when the axis of the coil is vertical is
(c)
The magnetic flux through the coil when the axis of the coil is horizontal with the axis pointing to east.
(c)

Answer to Problem 21P
The magnetic flux through the coil when the axis of the coil is horizontal with its axis pointing east, is
Explanation of Solution
Given:
The axis of coil is vertical.
Formula used:
The expression for the magnetic flux through the coil is given by,
Calculation:
The expression for the magnetic flux through the coil is given by,
If the plane of the coil is horizontal with its axis pointing east,
Conclusion:
Therefore, the magnetic flux through the coil when the axis of the coil is horizontal with its axis pointing east, is
(d)
The magnetic flux through the coil when the axis of the coil is horizontal with the axis marking an angle of
(d)

Answer to Problem 21P
The magnetic flux through the coil when the axis of the coil is horizontal with the axis marking an angle of
Explanation of Solution
Given:
The axis of coil is horizontal with the axis marking an angle of
Formula used:
The expression for the magnetic flux through the coil is given by,
Calculation:
The expression for the magnetic flux through the coil is given by,
If the plane of the coil is horizontal with its axis making an angle of
Conclusion:
Therefore, the magnetic flux through the coil when the axis of the coil is is horizontal with the axis marking an angle of
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Chapter 28 Solutions
Physics for Scientists and Engineers, Vol. 1
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