1. \(E_A>E_B>E_C\)
2. \(E_A=E_B=E_C\)
3. \(E_A=E_C>E_B\)
4. \(E_A=E_C<E_B\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf a body is charged by rubbing it, its weight:
1. | remains precisely constant. |
2. | increases slightly. |
3. | decreases slightly. |
4. | may increase slightly or may decrease slightly. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are four statements:
(a) | The total charge of the universe is constant. |
(b) | The total positive charge of the universe is constant. |
(c) | The total negative charge of the universe is constant. |
(d) | The total number of charged particles in the universe is constant. |
Choose the correct option:
1. | (a) only | 2. | (b), (c) |
3. | (c), (d) | 4. | (a), (d) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA point charge is brought in an electric field. The electric field at a nearby point,
(a) | will increase if the charge is positive |
(b) | will decrease if the charge is negative |
(c) | may increase if the charge is positive |
(d) | may decrease if the charge is negative |
1. | (a) only | 2. | (b), (c) |
3. | (c), (d) | 4. | (a), (d) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn electric dipole is placed in an electric field generated by a point charge.
(a) | The net electric force on the dipole must be zero. |
(b) | The net electric force on the dipole may be zero. |
(c) | The torque on the dipole due to the field must be zero. |
(d) | The torque on the dipole due to the field may be zero. |
1. | (a) only | 2. | (b), (c) |
3. | (c), (d) | 4. | (d) only |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA proton and an electron are placed in a uniform electric field.
(a) | The electric forces acting on them will be equal. |
(b) | The magnitudes of the forces will be equal. |
(c) | Their accelerations will be equal. |
(d) | The magnitudes of their accelerations will be equal. |
Choose the correct option.
1. | (a), (b) |
2. | (b) only |
3. | (c), (d) |
4. | (a), (d) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA charge Q is uniformly distributed over a large plastic plate. The electric field at a point P close to the centre of the plate is 10 V/m–1. If the plastic plate is replaced by a copper plate of the same geometrical dimensions and carrying the same charge Q, the electric field at the point P will become
1. zero
2. 5 V m–1
3. 10 V m–1
4 20 V m–1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA metallic particle having no net charge is placed near a finite metal plate carrying a positive charge. The electric force on the particle will be
1. towards the plate
2. away from the plate
3. parallel to the plate
4. zero.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyElectric charges are distributed in a small volume. The flux of the electric field through a spherical surface of radius \(10~\mathrm{cm}\) surrounding the total charge is \(25\) V-m. The flux over a concentric sphere of radius \(20\) cm will be:
1. \(25\) V-m
2. \(50\) V-m
3. \(100\) V-m
4. \(200\) V-m
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology