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- Question
Match the following:
List I (Memories) List II (Characteristic) A. Static PLA 1. erasable, programmable B. CCD 2. ultra high speed C. ECL 3. stores large volume of data D. GAL 4. Does not need refreshing 5. Non-volatile
Options- A. A-4, B-3, C-2, D-1
- B. A-4, B-2, C-3, D-1
- C. A-5, B-1, C-2, D-3
- D. A-3, B-5, C-2, D-1
- Correct Answer
- A-5, B-1, C-2, D-3
- 1. The stud in a stud mounted SCR acts as
Options- A. anode
- B. cathode
- C. gate
- D. anode or cathode Discuss
- 2. As per temperature limits, the number of categories of solid dielectrics are
Options- A. 7
- B. 6
- C. 8
- D. 5 Discuss
- 3. In satellite communication, highly directional antennas are used to
Options- A. direct the spot beam to a particular region of space on Earth
- B. strengthen the beam to overcome the cosmic noise
- C. make corrections in change of polarisation of the beam
- D. select a particular channel in transmission and reception Discuss
- 4. For the transport lag G(j?) = e-j?T, the magnitude is always equal to
Options- A. 0
- B. 1
- C. 10
- D. 0.5 Discuss
- 5. Ferroelectric materials are those which
Options- A. cannot be polarized
- B. have a permanent polarization
- C. have ae equal to zero
- D. have ?p = 0 Discuss
- 6. A cable has an insulation resistance of 1010 ohms. If the length is doubled, the insulation resistance will be
Options- A. 2 x 1010 ?
- B. 0.5 x 1010 ?
- C. 1010 ?
- D. 4 x 1010 ? Discuss
- 7. The number of storage classes in C is
Options- A. 2
- B. 3
- C. 4
- D. 6 Discuss
- 8. A silicon controlled switch has :
Options- A. 2 leads
- B. 3 leads
- C. 4 leads
- D. 5 leads Discuss
- 9. Some ceramic materials become superconducting
Options- A. below liquid helium temperature
- B. between liquid helium and liquid nitrogen temperature
- C. above liquid nitrogen but below room temperature
- D. at room temperature Discuss
- 10. In a stud mounted SCR, the stud is
Options- A. in thermal contact with heat sink
- B. insulated from heat sink
- C. in electrical and thermal contact with heat sink
- D. in either electrical or thermal contact with heat sink Discuss
More questions
Correct Answer: anode
Correct Answer: 7
Correct Answer: direct the spot beam to a particular region of space on Earth
Correct Answer: 1
Explanation:
Magnitude is 1.
Correct Answer: have a permanent polarization
Explanation:
Ferroelectric materials have permanent polarization.
Correct Answer: 0.5 x 1010 ?
Explanation:
Insulation resistance of cable is inversely proportional to length.
Correct Answer: 4
Explanation:
C has four storage classes viz. automatic storage class, register storage class, static storage class and external storage class.
Correct Answer: 4 leads
Explanation:
Anode, cathode, anode gate and cathode gate.
Correct Answer: below liquid helium temperature
Correct Answer: in electrical and thermal contact with heat sink
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