TS EAMCET · Physics · Magnetic Effects of Current
A solenoid of 1000 turns per metre has a core of material with relative permeability 400. The windings of the solenoid are insulated from the core and a current of 2 A is passed through the solenoid. Then the value of the magnetic intensity inside the solenoid is
- A \(2 \times 10^3 \mathrm{Am}^{-1}\)
- B \(1.0 \mathrm{Am}^{-1}\)
- C \(8 \times 10^5 \mathrm{Am}^{-1}\)
- D \(794 \mathrm{Am}^{-1}\)
Answer & Solution
Correct Answer
(A) \(2 \times 10^3 \mathrm{Am}^{-1}\)
Step-by-step Solution
Detailed explanation
\(H = nI\) \(H = (1000)(2)\) \(H = 2 \times 10^3 \mathrm{Am}^{-1}\)
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