Tata Steel JET Electrical & Electronics [Part 2] - 2025

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(1) In electronic communications, "AM" stands for

Amp Modification
Amplitude Method
Amplitude Modulation
Ampere Method

(2) The feedback factor of a Wien bridge oscillator using Op-Amp is equal to __?

1/4
1/5
1/2
1/3

(3) Which of the following cannot actually move?

Ions
Holes
Electrons
None Of These

(4) What is the range of energy band gap of semiconductors?

1-3 EV
1-6 EV
0-4 EV
1-8 EV

(5) A PN junction/Diode is a/an

Linear Component
Multidirectional Component
Bidirectional Component
Unidirectional Component

(6) MOSFET requires

Small Input Current.
Large Input Current.
High Voltage
All Of These

(7) The knee voltage (cutin voltage) of silicon diode

0.3 V
0.5 V
0.7 V.
0.6 V

(8) The knee voltage (cutin voltage) of Germanium Diode__?

0.4 V
0.3 V
0.7 V
0.5 V

(9) A JFET has a disadvantage of

Noisy
Low Input Impedance
Low Gain-bandwidth Product
Positive Temperature Coefficient

(10) JFET resembles the property of __?

Thermionic Valves
UJT
PNP Transistors.
NPN Transistors