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Q. No.The correct direction of the magnetic field in the given figures is shown by:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \((30\widehat k)\) N-m | 2. | \((10\widehat i+20\widehat j)\) N-m |
| 3. | \((20\widehat k)\) N-m | 4. | \((-30\widehat k)\) N-m |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is the correct representation of magnetic field lines?
| 1. | (g), (c) | 2. | (d), (f) |
| 3. | (a), (b) | 4. | (c), (e) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe magnetic lines of force inside a bar magnet are:
| 1. | from south to the north pole. |
| 2. | from north to the south pole. |
| 3. | not present. |
| 4. | intersecting each other. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
| 1. |  |
2. |  |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is correct?
| 1. | The magnetic field lines also represent the lines of force on a moving charged particle at every point. |
| 2. | Magnetic field lines can be entirely confined within the core of a toroid, but not within a straight solenoid. |
| 3. | A bar magnet exerts a torque on itself due to its own field. |
| 4. | Magnetic field arises due to stationary charges. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Oersted
2. Gauss
3. Tesla
4. Maxwell
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(14~\text{J}\)
2. \(8.4~\text{J}\)
3. \(4~\text{J}\)
4. \(1.4~\text{J}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf a magnetic needle is made to vibrate in uniform field \(H\), then its time period is \(T\). If it vibrates in the field of intensity \(4H\), its time period will be:
| 1. | \(2T\) | 2. | \(\dfrac{T}{2}\) |
| 3. | \(\dfrac{2}{T}\) | 4. | \(T\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(3 \times 10^{-5}\) N-m
2. \(30\) N-m
3. \(3 \times 10^{-3}\) N-m
4. \(3 \times 10^{-2}\) N-m
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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