Q. No.In the circuit shown in the adjacent diagram, \(D_1,D_2\) are ideal diodes and \(r\)'s are small resistances. Then:
1.
no current flows in the circuit
2.
current flows anticlockwise
3.
current flows clockwise
4.
current only flows through \(D_2\) and not through \(D_1\)
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1. zero2. \(4~\text{mA}\)
3. \(2.5~\text{mA}\)
4. \(0.8~\text{A}\)
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1. zero2. \(20\) mA
3. \(40\) mA
4. \(20\sqrt2\) mA
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For the above circuit, the applied voltage \(V(t)\) is periodic and linear, and is shown by the waveform below:
The current flowing through \(R_2\) varies as:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
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1. AND
2. OR
3. XOR
4. none of the above
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1. AND gate
2. OR gate
3. XOR gate
4. null gate (always zero)
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Current flows through the diode:
| 1. | continuously, in both directions |
| 2. | continuously, only in one direction |
| 3. | intermittently, in both directions |
| 4. | intermittently, only in one direction |
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| 1. | \(i=0.05\) A if \(V_{AB}\geq10\) V and \(i=\dfrac{V_{AB}}{200~\Omega}\) otherwise |
| 2. | \(i=0.05\) A if \(V_{AB}\leq10\) V and \(i=\dfrac{V_{AB}}{200~\Omega}\) otherwise |
| 3. | \(i=0.05\) A |
| 4. | \(i=\dfrac{V_{AB}}{200~\Omega}\) |
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1. \(B\) AND \(C\)
2. \(B\) OR \(C\)
3. \(B\)
4. \(C\)
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