AP EAMCET · PHYSICS · Magnetic Effects of Current
Two long parallel straight metal wires A and B carrying currents \(12 \mathrm{~A}\) and \(36 \mathrm{~A}\) respectively, in the same direction are separated by \(50 \mathrm{~cm}\). The point relative to \(A\), where the resultant magnetic induction between the two wires due to the currents is zero, will be
- A \(90 \mathrm{~cm}\)
- B \(7.5 \mathrm{~cm}\)
- C \(28 \mathrm{~cm}\)
- D \(12.5 \mathrm{~cm}\)
Answer & Solution
Correct Answer
(D) \(12.5 \mathrm{~cm}\)
Step-by-step Solution
Detailed explanation
Suppose at \(\mathrm{P}, \mathrm{B}=0\) So, \(\mathrm{B}=0\)…
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