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Electrician
Electrician Set-1
Decoration Lighting
9

Decoration Lighting MCQ - Electrician (Set-1) with Answers

9) To compensate the lower value of cold resistance of the filament, which one of the following is connected in series with the serial set ?

NTC thermistor

PTC thermistor

Voltage dependent resistor

Flasher

Answer is:

NTC thermistor

Decoration Lighting MCQ - Electrician (Set-1) with Answers

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Related Decoration Lighting MCQ - Electrician (Set-1) with Answers

10) In a serial set of bulb, the flasher is used. What is the function of the flasher ?

To break and make the circuit but it gives no light

To break and make the circuit and it gives light

To break the circuit only but gives no light

To make the circuit only and also gives light

Answer is:

To break and make the circuit but it gives no light

11) To operate 6 volt bulb in a 240 volt supply, number of bulbs required is

30

32

40

42

Answer is:

40

12) In a decorative series lamp connection of 6 V lamp is connected to a 240 V, A.C. supply. The number of lamps required is

40

35

30

25

Answer is:

40

13) To keep the continuity of serial lamp set circuit even across the fused bulb, it is customary to connect a device across each bulb as precaution. What is the name of such device ?

NTC thermistor

PTC thermistor

Voltage dependent resistor

Flasher

Answer is:

NTC thermistor

Decoration Lighting MCQ - Electrician (Set-1) with Answers

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