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ISRO Technician-B
Electronic Mechanic
ISRO Technician-B Electronic Mechanic 2019
50

ISRO Technician-B Electronic Mechanic Question Paper - 2019 (Set - 1) with Answer Key

50) Device used for switching high current of the order of 100A

Regulator

Contactor

Reed relay

Mercury wetted relay

Answer is:

Contactor

ISRO Technician-B Electronic Mechanic Question Paper - 2019 (Set - 1) with Answer Key

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Related ISRO Technician-B Electronic Mechanic Question Paper - 2019 (Set - 1) with Answer Key

51) What is the frequency range of audio signals?

20Hz to 20kHz

20kHz to 2 MHz

10Hz to 10kHz

10kHz to 1MHz

Answer is:

20Hz to 20kHz

52) The characteristic impedance of the commonly used coaxial cable RG58 is

75 Ohm

50 Ohm

100 Ohm

58 Ohm

Answer is:

50 Ohm

53) Which digital technology is commonly used in VLSI devices?

TTL

ECL

CMOS

RTL

Answer is:

CMOS

54) What is the peak voltage of a sinusoidal signal of 7V rms?

9.9 V

7 V

3.5 V

14 V

Answer is:

9.9 V

ISRO Technician-B Electronic Mechanic Question Paper - 2019 (Set - 1) with Answer Key

For more MCQ's Click Here