- 1(current)
Q. No.A small square wire loop of side \(a\) is placed at the centre of a circular wire of radius \(r,\) both loops lying in the same plane. The mutual inductance between the two loops varies as:
| 1. | \(\dfrac{r^2}{a^2}\) | 2. | \(\dfrac{a^2}{r}\) |
| 3. | \(a^2~r^2\) | 4. | \(\dfrac{a^2}{r^2}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(\dfrac{MkT^2}{4R}\)
2. \(\dfrac{2MkT^2}{R}\)
3. \(\dfrac{MkT^2}{2R}\)
4. Zero
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo coils are placed near each other, allowing a time-varying current in one coil to induce a time-varying current in the other. The mutual inductance between the coils depends on:
| 1. | the rate of change of current in the two coils |
| 2. | the materials of the wires used in two coils |
| 3. | the currents in the two coils |
| 4. | the relative position and orientation of the two coils |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(M_{12}=M_{21}\)
2. \(M_{12}+M_{21}=0\)
3. \(M_{12}+M_{21}=L_{1}+L_{2}\)
4. \(\left|M_{12}+M_{21}\right|=\left|L_{1}-L_{2}\right|\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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