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

36) Which of the following has negative temperature coefficient?

Answer is:

Thermistor

37) What will be change in capacitance if the area of the plates alone is doubled?

Answer is:

Becomes double

38) If a one metre long wire has a resistance of 100 milli ohms, what will be the resistance of another piece of wire of the same material and length, but with twice the diameter?

Answer is:

25 milli ohms

39) What is the Hexadecimal equivalent of 160?

Answer is:

A0

40) What is the frequency of the sinusoidal signal that occupies five horizontal divisions and three vertical divisions on a CRO for one complete cycle, if the time base is set at 1ms per division?

Answer is:

200 Hz

5
6
7
8
9
10
11