ISRO Technician-B Electronic Mechanic Question Paper - 2017 (Set - 1) with Answer Key

ISRO Technician-B Electronic Mechanic Question Paper - 2017 (Set - 1) with Answer Key

31) In an FET, when drain voltage equals the pinch-off voltage, then drain current _____ with the increase in drain voltage.

Answer is:

remains constant

32) HCF of 12, 18 and 24 is

Answer is:

6

33) The OP-amp can amplify

Answer is:

both a.c. and d.c. signals

34) What is the Q (Quality factor) of a series circuit that resonates at 10 kHz, has equal reactance of 5 kilo-ohms each, and a resistor value of 50 ohms?

Answer is:

100

35) When parallel resistors are of three different values, which has the greatest power loss?

Answer is:

The smallest resistance

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