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

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

11) An advantage of switched mode power supply is

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?

Answer is:

Resistance increases

13) Doping material for p-type semiconductor is

Answer is:

Gallium

14) Among the following which has the maximum efficiency?

Answer is:

LED

15) Signal to Noise ratio is expressed in

Answer is:

dB