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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStatement I: | If the current through the diode increases, then the dynamic resistance decreases. |
Statement II: | If the temperature of the diode is increased, with the potential difference fixed, the dynamic resistance decreases. |
1. | Statement I is incorrect and Statement II is correct. |
2. | Both Statement I and Statement II are correct. |
3. | Both Statement I and Statement II are incorrect. |
4. | Statement I is correct and Statement II is incorrect. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe barrier potential of a \(\mathrm{p\text{-}n}\) junction depends on:
(a) | type of semiconductor material |
(b) | amount of doping |
(c) | temperature |
Which one of the following is correct?
1. (a) and (b) only
2. (b) only
3. (b) and (c) only
4. (a), (b) and (c)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(a) | |
(b) | |
(c) | |
(d) |
1. (a), (b) and (d)
2. (c) only
3. (a) and (c)
4. (b) and (d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn an unbiased - junction diode
1. p-type side is at higher potential than n-type side
2. p-type side is at lower potential than n-type side
3. Electric field is directed from side to side
4. Both 2 & 3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe \((I\text-V)\) characteristics of a \(\mathrm{p\text-n}\) junction diode is as shown. If \(R_1\) and \(R_2\) be the dynamic resistance of the \(\mathrm{p\text-n}\) junction when (i) a forward bias of \(1\) volt is applied and (ii) a forward bias of \(2\) volts is applied respectively, then \(\frac{R_1}{R_2}=?\)
1. \(160\)
2. \(16\)
3. \(1.6\)
4. \(0.16\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | 2. | ||
3. | 4. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(V_{A B}=i\cdot5+0.6\) |
2. | \(V_{A B}=i\cdot5-0.6\) |
3. | \(V_{A B}=i\cdot5+(0.6-5)\) |
4. | \(V_{A B}=i\cdot5+\left(0.6+5\right)\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology