Physics · Magnetic Effects of Current
Two identical thick wires and two identical thin wires of the same material and length form a square loop. If a current enters at one corner and leaves from the diagonally opposite corner, the magnetic field at the center of the loop will be zero for which configurations?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only when identical wires are adjacent
- 2Only when identical wires are opposite
- 3Only when all four sides have equal resistance
- 4All configurations where current enters and leaves through symmetric geometric points✓
Correct answer
All configurations where current enters and leaves through symmetric geometric points
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