
Concept explainers
(a)
The equation of the current for
(a)

Answer to Problem 58E
The equation of current for
Explanation of Solution
Write the expression for voltage drop across resistance at position 2.
Here,
Write the expression for voltage drop across inductor at position 2.
Here,
Apply Kirchoff’s volatge law at point 2.
Conclusion:
Substitute
Rearrange the above equation.
Thus, the equation for current is given above.
(b)
The value of current for
(b)

Answer to Problem 58E
The value of the current is
Explanation of Solution
Write the equation of current for position 2.
Write the expression for the initial current at position 2.
Here,
Conclusion:
Rearrange equation (2).
Integrate both side of the above equation to find the current
Solve the above equation.
Substitute
Thus, the value of the current is
(c)
The value of current for
(c)

Answer to Problem 58E
The current for
Explanation of Solution
Write the expression for the current in
Conclusion:
Substitute
Solve the above equation.
Thus, the current for
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Chapter 20 Solutions
General Physics, 2nd Edition
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