📣 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

Online Paper 1 complete video lectures with Dr. Manishika Jain. Join now!

Q-1 The p-n junction diode is a

  1. Passive device
  2. Vacuum device
  3. Unilateral device
  4. Bilateral device

Q-2 A semiconductor has ________ temperature co-efficient of resistance

  1. Zero
  2. Positive
  3. Negative
  4. One

Q-3 A JFET has

  1. One built-in diode
  2. Two built-in diodes
  3. Three built-in diodes
  4. Four built-in diodes

Q-4 The superposition theorem is essentially based on the concept of

  1. Quality
  2. Linearity
  3. Reciprocity
  4. Non-linearity

Q-5 A counter that counts in binary from 0000 to 1010 is known as

  1. Binary counter
  2. Decade counter
  3. BCD counters
  4. Mod-10 counter

Q-6 A digital multiplexer is a/an

  1. Combinational circuit
  2. Sequential circuit
  3. Amplifier
  4. Memory device

Q-7 An 8086 has how many numbers of flags?

  1. 5
  2. 7
  3. 9
  4. 11

Q-8 In 8085, microprocessor, the register which holds the address of the next instruction to be executed is

  1. Instruction registers
  2. Stack pointer
  3. Temporary register
  4. Program counter

Q-9 The Pentium III processor is a

  1. 16-bit processor
  2. 32-bit processor
  3. 64-bit processor
  4. 128-bit processor

Q-10 Demodulation is a process

  1. Done at the transmitter
  2. Of filtering the carrier
  3. Of removing the sidebands
  4. Similar to modulation

Q-11 The terms frequency pushing and pulling are related to

  1. Reflex Klystron
  2. Two cavity klystrons
  3. Pulsed radar system
  4. Magnetron

Q-12 Out of the following memory types, one that is volatile is

  1. Magnetic disc
  2. Ferrite core
  3. Semiconductor ROM
  4. Semiconductor RAM

Q-13 When Q of an antenna increases, the bandwidth

  1. Increases
  2. Decreases
  3. Stays constant equal to zero
  4. Stays constant equal to unity

Q-14 The value of intrinsic-stand-off ratio of UJT should be

  1. > 1
  2. < 1
  3. 0 (zero)
  4. 10

Q-15 In a normal ECG waveform which wave has the maximum amplitude?

  1. P wave
  2. R wave
  3. Q wave
  4. T wave