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- Question
Match the following:
List I List II A. GTO 1. Widely used in digital computers B. UJT 2. Used for freewheeling C. Power Diode 3. Can be turned off by negative gate signal D. MOSFET 4. Used in generating triggering pulses
Options- A. A-1, B-2, C-3, D-4
- B. A-4, B-2, C-3, D-1
- C. A-3, B-4, C-2, D-1
- D. A-2, B-1, C-3, D-4
- Correct Answer
- A-3, B-4, C-2, D-1
- 1. The characteristic impedance of a cable is about
Options- A. 300 ?
- B. 50 ?
- C. 5 ?
- D. 2 ? Discuss
- 2. A copper atom is neutral. Its core has a net charge of
Options- A. 0
- B. + 1
- C. - 1
- D. + 2 Discuss
- 3. The characteristics of which device has peak point and valley point
Options- A. SCR
- B. PUT
- C. SCS
- D. Shockley diode Discuss
- 4. Schrodinger wave equation is partial differential equation.
Options- A. True
- B. False Discuss
- 5. The output frequency of a cycloconverter can be changed by changing the firing angle.
Options- A. True
- B. False Discuss
- 6. Most of the memory chips in static RAM
Options- A. do not require any supply
- B. need 2 V supply
- C. need 5 V supply
- D. need 12 V supply Discuss
- 7. In crystalline solids, atoms are stacked in a regular manner.
Options- A. True
- B. False Discuss
- 8. The classes of solid dielectrics are
Options- A. A, B, C, D, E, F, H
- B. A E B F H C D
- C. Y A E B F H C
- D. A E B F H C Discuss
- 9. The unit for mmf is
Options- A. A
- B. Wb
- C. T
- D. V Discuss
- 10. In a single phase full wave regulator, the firing angles in the positive and negative half cycles are generally
Options- A. equal
- B. different
- C. equal or different
- D. different but sometimes equal Discuss
More questions
Correct Answer: 50 ?
Correct Answer: + 1
Correct Answer: PUT
Correct Answer: True
Correct Answer: False
Correct Answer: need 5 V supply
Explanation:
Digital chips need 5 V supply.
Correct Answer: True
Correct Answer: Y A E B F H C
Correct Answer: A
Correct Answer: equal
Explanation:
Firing angles are kept equal to get symmetrical output voltage.
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