Concept explainers
The force on a current-carrying wire of a given length kept in a uniform magnetic field.
Answer to Problem 68A
The force on the wire is
Explanation of Solution
Given:
A wire of length 35 cm carrying a current of 4.5 A is kept in a uniform magnetic field of strength 0.53 T in a direction parallel to the field.
Formula Used:
The force acting on a wire carrying current is dependent on the strength of magnetic field, the current, length of the wire and the angle which the wire makes with the magnetic field. It is mathematically expressed as,
Calculation:
The current carrying wire is kept in a direction parallel to the field. This implies an inclination of
For the given strength of magnetic field
This implies that, whenever a current carrying wire is kept in a direction parallel to the magnetic field, it does not experience any force.
Conclusion:
The force on the current carrying wire is 0 N.
Chapter 24 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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