📣 Paper 3 has been removed from NET from 2018 (Notification)- now paper 2 and 3 syllabus is included in paper 2. Practice both paper 2 and 3 from past papers.
NTA NET Electronic Science Paper 2 September 2013 Higher Questions and Answers Part 1
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Q-1 The p-n junction diode is a
- Passive device
- Vacuum device
- Unilateral device
- Bilateral device
Q-2 A semiconductor has ________ temperature co-efficient of resistance
- Zero
- Positive
- Negative
- One
Q-3 A JFET has
- One built-in diode
- Two built-in diodes
- Three built-in diodes
- Four built-in diodes
Q-4 The superposition theorem is essentially based on the concept of
- Quality
- Linearity
- Reciprocity
- Non-linearity
Q-5 A counter that counts in binary from 0000 to 1010 is known as
- Binary counter
- Decade counter
- BCD counters
- Mod-10 counter
Q-6 A digital multiplexer is a/an
- Combinational circuit
- Sequential circuit
- Amplifier
- Memory device
Q-7 An 8086 has how many numbers of flags?
- 5
- 7
- 9
- 11
Q-8 In 8085, microprocessor, the register which holds the address of the next instruction to be executed is
- Instruction registers
- Stack pointer
- Temporary register
- Program counter
Q-9 The Pentium III processor is a
- 16-bit processor
- 32-bit processor
- 64-bit processor
- 128-bit processor
Q-10 Demodulation is a process
- Done at the transmitter
- Of filtering the carrier
- Of removing the sidebands
- Similar to modulation
Q-11 The terms frequency pushing and pulling are related to
- Reflex Klystron
- Two cavity klystrons
- Pulsed radar system
- Magnetron
Q-12 Out of the following memory types, one that is volatile is
- Magnetic disc
- Ferrite core
- Semiconductor ROM
- Semiconductor RAM
Q-13 When Q of an antenna increases, the bandwidth
- Increases
- Decreases
- Stays constant equal to zero
- Stays constant equal to unity
Q-14 The value of intrinsic-stand-off ratio of UJT should be
- > 1
- < 1
- 0 (zero)
- 10
Q-15 In a normal ECG waveform which wave has the maximum amplitude?
- P wave
- R wave
- Q wave
- T wave