What is the effect of increasing the distance from a long straight wire on the magnetic field strength?

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It increases
It decreases
It remains constant
It becomes zero

Questions & Step-by-step Solutions

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Q: What is the effect of increasing the distance from a long straight wire on the magnetic field strength?

Solution: The magnetic field strength decreases with increasing distance from a long straight wire, following the inverse relationship with distance.

Steps: 5

Step 1: Understand that a long straight wire carries an electric current.
Step 2: Know that this current creates a magnetic field around the wire.
Step 3: Recognize that the strength of the magnetic field is strongest close to the wire.
Step 4: Learn that as you move further away from the wire, the magnetic field strength gets weaker.
Step 5: Remember that this relationship is called 'inverse,' meaning as distance increases, magnetic field strength decreases.

What is the effect of increasing the distance from a long straight wire on the magnetic field strength?

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