[Xmat]

1. In a torque synchro, the transmitter signal is applied to:
A. Stator
B. Rotor
C. Both

2. LED different colour lights are connected in:
A. Reverse series
B. Reverse parallel
C. Parallel

3. RVDT is used for:
A. Rotary angular position monitoring
B. Linear position monitoring
C. Series positioning

4. The hardest PCB plating material is:
A. Gold
B. Silver
C. Rhodium
D. Copper

5. The element of a transistor that has the biggest area is:
A. Emitter
B. Base
C. Collector

6. The input impedance of an op-amp is:
A. Very high and voltage gain is also high
B. Output impedance is high
C. Very low input impedance

7. Common-base (CB) configuration has:
A. Low output resistance
B. Low voltage gain
C. No phase reversal

8. SCR triggers into conduction by applying:
A. Minimum voltage to gate
B. Minimum current to gate
C. Maximum voltage to gate
D. Maximum current to gate

9. A transistor has:
A. Three junctions
B. Two junctions
C. Four junctions

10. In a transistor, the middle part is:
A. Emitter
B. Base
C. Collector

11. LED lights will turn ON when:
A. In forward bias, light intensity increases
B. In reverse bias, light intensity increases

12. A photodiode is normally operated in:
A. Forward bias
B. Reverse bias
C. Both

13. In an integrated circuit, components like diode, transistor and resistor:
A. Can be repaired
B. Cannot be repaired and replaced
C. Can only be replaced under some conditions

14. In an op-amp, offset:
A. Voltage reduces
B. Voltage increases
C. Both

15. Soldering requires:
A. Can be done in the field
B. Requires heat and precision control and can be performed in the field
C. Cannot be performed in the field

16. A transducer operates with:
A. Mechanical
B. Electrical
C. Both

17. Leakage current occurs due to:
A. Heat energy
B. Chemical energy
C. Majority carriers

18. Breakdown occurs when a diode is:
A. Depends on temperature
B. Forward biased
C. Reverse biased

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