AP EAMCET · PHYSICS · Magnetic Effects of Current
A toroid has a non ferromagnetic core of inner radius and outer radius , around which turns of a wire are wound. If the current in the wire is , the magnetic field inside the core of the toroid is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Here, r1 = 24 cm=24×10-2 m r2 = 25 cm=25×10-2 m N=4900 turns, I=12 A Now, r=r1+r22=24.5×10-2 m Therefore, magnetic field will be…
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