Concept explainers
(a)
The rotational speed of the armature of the generator.
(a)
Answer to Problem 97P
The rotational speed of the armature of the generator is
Explanation of Solution
Write the expression for motional emf.
Here,
Substitute,
Conclusion:
Substitute,
Therefore, the rotational speed of the armature of the generator is
(b)
The average torque and instantaneous torque applied by bicycle tire to the generator.
(b)
Answer to Problem 97P
The average torque applied by bicycle tire to the generator is
Explanation of Solution
Write the expression for average torque.
Here,
Conclusion:
Substitute,
Substitute,
Therefore, the average torque applied by bicycle tire to the generator is
(c)
The linear speed of the bicycle to supply emf of
(c)
Answer to Problem 97P
The linear speed of the bicycle to supply emf of
Explanation of Solution
Write the expression for the linear speed of the bicycle.
Here,
Conclusion:
Substitute,
Therefore, the linear speed of the bicycle to supply emf of
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Chapter 20 Solutions
Physics
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