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ISRO Technician-B
Electronic Mechanic
ISRO Technician-B Electronic Mechanic 2019
42

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

42) which of the following is not an advantage of BGA (Ball Grid Array) packaging?

High pin density

Low thermal resistance

low lead inductance

Easy solderability

Answer is:

Easy solderability

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

43) Sum of three consecutive even numbers is 36. The largest among these is

12

14

10

18

Answer is:

14

44) Which modulation scheme is most affected by noise?

Frequency Modulation

Amplitude Modulation

Pulse code Modulation

Phase Modulation

Answer is:

Amplitude Modulation

45) The logic gate that will have HIGH or '1' at its output when all the inputs are low or '0'

OR gate

AND gate

NOR gate

EX-OR gate

Answer is:

NOR gate

46) Which of the following is used to measure the current in a circuit element?

Ammeter in parallel

Ammeter in series

Voltmeter in parallel

Voltmeter in series

Answer is:

Ammeter in series

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

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