Physics · Moving Charges and Magnetism
A wire carrying current I is bent in the shape ABCDEFA, where rectangles ABCDA and ADEFA are perpendicular to each other. If the sides of the rectangles are of lengths a and b, then the magnitude and direction of the magnetic moment of the loop ABCDEFA is:
- 1abI, along ĵ + 2k̂√5
- 2√2 abI, along ĵ + 2k̂√5
- 3√2 abI, along ĵ + k̂√2✓
- 4abI, along ĵ + k̂√2
Correct answer
√2 abI, along ĵ + k̂√2
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