Concept explainers
To Find: Current in wire which is placed perpendicular to the earth’s magnetic field.
Answer to Problem 80A
Explanation of Solution
Given data:
Magnetic field due to Earth,
Length of the wire,
Force on the wire,
Angle,
Formula used:
When a current carrying wire is placed in a magnetic field, it experiences a force. The current flowing in the wire can be calculated using the formula of that force.
Here, I is the current.
Calculation:
Substitute the values and solve:
Conclusion:
The current in wire is
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