A circular loop carrying a current is replaced by an equivalent magnetic dipole. A point on the axis of the loop is in:
1. | end-on position | 2. | broadside-on position |
3. | both | 4. | none |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA circular loop carrying a current is replaced by an equivalent magnetic dipole. A point on the loop is in
1. end-on position
2. broadside-on position
3. both
4. none
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen a current in a circular loop is equivalently replaced by a magnetic dipole:
1. | the pole strength \(m\) of each pole is fixed |
2. | the distance \(d\) between the poles is fixed |
3. | the product \(md\) is fixed |
4. | none of the above |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLet r be the distance of a point on the axis of a bar magnet from its centre. The magnetic field at such a point is proportional to
1. \(1 \over r\)
2. \(1 \over r^2\)
3. \(1 \over r^3\)
4. none of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLet \(r\) be the distance of a point on the axis of a magnetic dipole from its centre. The magnetic field at such a point is proportional to:
1. \(\dfrac 1 r\)
2. \(\dfrac 1 {r^2}\)
3. \(\dfrac 1 {r^3}\)
4. none of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(\frac{\mu_{\mathrm{0}}}{4 \pi} \frac{\mathrm{M}}{\mathrm{d}^{3}}\)
2. \(\frac{\mu_{0}}{4 \pi} \frac{\sqrt{2} \mathrm{M}}{\mathrm{d}^{3}}\)
3. \(\frac{\mu_{0}}{4 \pi} \frac{2\sqrt{2} \mathrm{M}}{\mathrm{d}^{3}}\)
4. \(\frac{\mu_{\mathrm{0}}}{4 \pi} \frac{\mathrm{2M}}{\mathrm{d}^{3}}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA horizontal circular loop carries a current that looks clockwise when viewed from above. It is replaced by an equivalent magnetic dipole consisting of a south pole S and a north pole N.
(a) The line SN should be along a diameter of the loop.
(b) The line SN should be perpendicular to the plane of the loop.
(c) The south pole should be below the loop.
(d) The north pole should be below the loop
Choose the correct option
1. (a) , (b)
2. (b) , (d)
3. (c) , (d)
4. (a) , (d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologya. | P1 and P2 |
b. | Q1 and Q2 |
c. | P1 and Q1 |
d. | P2 and Q2 |
Choose the correct option:
1. (a), (b)
2. (b), (c)
3. (c), (d)
4. (a), (d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the situation of the previous problem. The directions of the magnetic field due to the dipole are opposite at
(a) P1 and P2
(b) Q1 and Q2
(c) P1 and Q1
(d) P2 and Q2
Choose the correct option
1. (a) , (b)
2. (b) , (c)
3. (c) , (d)
4. (a) , (d)
Previous problem: Consider a magnetic dipole kept in the north-south direction. Let P1, P2 Q1, Q2 be four points at the same distance from the dipole towards north, south, east and west of the dipole respectively.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
To measure the magnetic moment of a bar magnet, one may use
(a) a tangent galvanometer
(b) a deflection galvanometer if the earth’s horizontal field is known
(c) an oscillation magnetometer if the earth’s horizontal field is known
(d) both deflection and oscillation magnetometer if the earth’s horizontal field is not known
Choose the correct option
1. (a) , (b) , (c)
2. (b) , (c) , (d)
3. (c) , (d) , (a)
4. (a) , (d) , (b)
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 304678
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 304678
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology