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Q. No.The plot of current \(I~\text{(A)}\) flowing through a metallic conductor versus the applied voltage \(V~\text{(volt)}\) across the ends of a conductor is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(81\) \(\Omega\) | 2. | \(9\) \(\Omega\) |
| 3. | \(729\) \(\Omega\) | 4. | \(243\) \(\Omega\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(Given, charge on electron = \(1.6\times10^{-19}\) C)
1. \(\dfrac{6.25\times10^4}{\pi}\) m/s
2. \(\dfrac{6.25}{\pi}\times10^3\) m/s
3. \(\dfrac{6.25}{\pi}\) m/s
4. \(\dfrac{6.25\times10^5}{\pi}\) m/s
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen no current is passed through a conductor,
| (a) | the free electrons do not move. |
| (b) | the average speed of a free electron over a large period of time is zero. |
| (c) | the average velocity of a free electron over a large period of time is zero. |
| (d) | the average of the velocities of all the free electrons at an instant is zero. |
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 & Biology| 1. | current density | 2. | current |
| 3. | drift velocity | 4. | electric field |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(10^{5}\) A/m2
2. \(10^{4}\) A/m2
3. \(10^{6}\) A/m2
4. \(10^{-5}\) A/m2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA charged particle having drift velocity of \(7.5\times10^{-4}~\text{ms}^{-1}\) in an electric field of \(3\times10^{-10}~\text{Vm}^{-1}\), has mobility of:
1. \(2.5\times 10^{6}~\text{m}^2\text{V}^{-1}\text{s}^{-1}\)
2. \(2.5\times 10^{-6}~\text{m}^2\text{V}^{-1}\text{s}^{-1}\)
3. \(2.25\times 10^{-15}~\text{m}^2\text{V}^{-1}\text{s}^{-1}\)
4. \(2.25\times 10^{15}~\text{m}^2\text{V}^{-1}\text{s}^{-1}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Germanium
2. Silver
3. Glass
4. Silicon
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAs the temperature of a metallic resistor is increased, the product of its resistivity and conductivity:
| 1. | increases |
| 2. | decreases |
| 3. | remains constant |
| 4. | may increase or decrease |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | reactance | 2. | mobility |
| 3. | conductivity | 4. | conductance |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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