TS EAMCET · Physics · Magnetic Effects of Current
It is found that a non-zero current element is unable to produce any magnetic field at a particular point. Then the angle between the current element and the position vector of that point with respect to the current element is
- A must be \(45^{\circ}\)
- B may be \(0^{\circ}\) or \(180^{\circ}\)
- C must be \(90^{\circ}\)
- D may be \(30^{\circ}\) or \(60^{\circ}\)
Answer & Solution
Correct Answer
(B) may be \(0^{\circ}\) or \(180^{\circ}\)
Step-by-step Solution
Detailed explanation
The Biot savant law is used for finding magnetic field \(B\) at position \(r\) generated by a Steady current \(I\) is given by…
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