- 1(current)
Q. No.Two charges ±10 μC±10 μC are placed 5.05.0 mm apart. The electric field at a point PP on the axis of the dipole 1515 cm away from its centre OO on the side of the positive charge, as shown in the figure is:
| 1. | 2.7×105 NC−12.7×105 NC−1 |
2. | 4.13×106 NC−14.13×106 NC−1 |
| 3. | 3.86×106 NC−13.86×106 NC−1 | 4. | 1.33×105 NC−11.33×105 NC−1 |
Subtopic: Electric Dipole |
58%
From NCERT
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Two point charges −q−q and +q+q are placed at a distance of L,L, as shown in the figure.
The magnitude of electric field intensity at a distance R (R≫L)R (R≫L) varies as:
The magnitude of electric field intensity at a distance R (R≫L)R (R≫L) varies as:
| 1. | 1R61R6 | 2. | 1R21R2 |
| 3. | 1R31R3 | 4. | 1R41R4 |
Subtopic: Electric Dipole |
72%
From NCERT
NEET - 2022
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An electric dipole is placed in a uniform electric field. The net electric force on the dipole:
| 1. | is always zero. |
| 2. | depends on the orientation of the dipole. |
| 3. | can never be zero. |
| 4. | depends on the strength of the dipole. |
Subtopic: Electric Dipole |
73%
From NCERT
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An electric dipole is placed at an angle of 30∘30∘ with an electric field intensity 2×105 N/C2×105 N/C. It experiences a torque equal to 4 N-m4 N-m. The charge on the dipole, if the dipole length is 2 cm2 cm, is:
| 1. | 8 mC8 mC | 2. | 2 mC2 mC |
| 3. | 5 mC5 mC | 4. | 7 μC7 μC |
Subtopic: Electric Dipole |
88%
From NCERT
NEET - 2016
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Equal and opposite charges are placed at the two vertices of an equilateral triangle, giving a dipole moment p.p. A small dipole p′ is placed at the third vertex, parallel to the previous dipole. If the electric fields due to both dipoles p, p′, at the mid-point of the dipole p, are equal, then p′p equals:
| 1. | 3√3 | 2. | 3√32 |
| 3. | √3 | 4. | √32 |
Subtopic: Electric Dipole |
From NCERT
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- 1(current)
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