TS EAMCET · Physics · Magnetic Effects of Current
A long straight wire carries a current of \(18 \mathrm{~A}\). The magnitude of the magnetic field at a point \(12 \mathrm{~cm}\) from it is
- A \(1.5 \times 10^{-5} \mathrm{~T}\)
- B \(2 \times 10^{-5} \mathrm{~T}\)
- C \(3 \times 10^{-5} \mathrm{~T}\)
- D \(1.8 \times 10^{-5} \mathrm{~T}\)
Answer & Solution
Correct Answer
(C) \(3 \times 10^{-5} \mathrm{~T}\)
Step-by-step Solution
Detailed explanation
Current, i \(=18 \mathrm{~A}\) Distance, \(\mathrm{a}=0.12 \mathrm{~m}\) Magnetic field is given by…
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