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ISRO Technician-B
Electronic Mechanic
ISRO Technician-B Electronic Mechanic 2019
10

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

10) A car running at a average speed of 60 km/hr covers a distance of 450 km. Time taken to cover the distance is

7.5 Hr

6 Hr

5.5 Hr

9 Hr

Answer is:

7.5 Hr

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

11) An advantage of switched mode power supply is

Low ripple and noise

EMI related issues are less

High efficiency

High switching spike

Answer is:

High efficiency

12) What is the effect of increasing the gauge of the wire from 22 AWG to 26 AWG, all other parameters remaining the same?

Resistance increases

Resistance decreases

Resistance remains the same

None of these

Answer is:

Resistance increases

13) Doping material for p-type semiconductor is

Arsenic

Antimony

Bismuth

Gallium

Answer is:

Gallium

14) Among the following which has the maximum efficiency?

Incandescent lamp

CFL

LED

Fluorescent Lamp

Answer is:

LED

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

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