The self-inductance of a straight wire carrying current is equal to
Correct answer: A. 0
- A. 0
- B. 1
- C. Less than 0
- D. More than 1
Explanation
The self-inductance of a straight wire carrying current is 0 because self-inductance arises from the wire's ability to create a magnetic field that interacts with itself. In a straight wire, there are no loops or turns to facilitate this interaction, resulting in no self-inductance. Other options are incorrect as they imply the presence of self-inductive properties which are not possible in a straight wire configuration.
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About Faraday's Law
Faraday's law states that an induced electromotive force equals the rate of change of magnetic flux linkage through a circuit. Questions cover changing field, area, angle or motion, the negative sign associated with Lenz's law, and the distinction between induced emf and the current that may flow in a closed circuit.
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