Question
A wire carrying a current of 4.0 A is shaped into a
circular arc of radius 8.0 cm. If the arc subtends an angle of 90° at the center, what is the magnitude of the magnetic field produced at the center of the arc?Solution
To find the magnetic field at the center of a circular arc carrying current, we use the formula: 
More General science Common Questions
3, 6, 18, 90, 630, 5670
332, 404, 350, 390, 360, 380
42, 61, 78, 93, 102, 109
66, 220, 384, 543, 702, 861
45, 166, 310, 480, 675, 900
Find the wrong number in the given number series.
32, 61, 92, 129, 170, 211
- Find the wrong number in the given number series.
310, 259, 208, 167, 128, 115 Find the wrong number in given number series.
2669, 2838, 2993, 3185, 3397, 3629
- Find the wrong number in the given number series.
10, 35, 260, 885, 2110, 4135 Find the wrong number in given number series.
1177, 1161, 1125, 1061, 961, 837.
Relevant for Exams:
