- 1(current)
Q. No.Figure shows a circular region of radius \(R\) in which uniform magnetic field \(B \) exist. The magnetic field is increasing at a rate \( { dB \over dt } \). The induced electric field at a distance \(r \) from the centre for \(r \) < \(R \) is:
1. \({ dB \over dt } \)\({ r \over 2 } \)
2. zero
3. \({ dB \over dt } \)
4. \({ dB \over dt } \) \({ R^2 \over 2r } \)
1. \({ dB \over dt } \)\({ r \over 2 } \)
2. zero
3. \({ dB \over dt } \)
4. \({ dB \over dt } \) \({ R^2 \over 2r } \)
From NCERT
Subtopic: Maxwell's Equations |
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