Q.1
What is the frequency of the supplied alternating current in India?
  • a) 50 KHz
  • b) 30 Hz
  • c) 50 Hz
  • d) 60 Hz
Q.2
Which type of waveform can be produced by linear oscillators?
  • a) Saw tooth
  • b) Sinusoidal
  • c) Square
  • d) Parabolic
Q.3
NEIntegrated circuit can create alternating signals.
  • a) True
  • b) False
Q.4
How many modes are present in NEIntegrated circuit?
  • a) 2
  • b) 3
  • c) 4
  • d) 1
Q.5
Which is a voltage to frequency converter?
  • a) BC541
  • b) TIP122
  • c) LM566
  • d) TIP135
Q.6
How many stable states does Astable mode of NEhas?
  • a) 2
  • b) 3
  • c) 0
  • d) 1
Q.7
Which type of wave can be generated by LM566?
  • a) Aperiodic
  • b) Sine
  • c) Square
  • d) Parabolic
Q.8
What is the full form of LFO in context to signal generations?
  • a) Least frequency oscillator
  • b) Low frequency oscillator
  • c) Low frequency oscillations
  • d) Least frequency oscillations
Q.9
What is the frequency range of radio frequency(RF)?
  • a) 20 KHz to 300 GHz
  • b) 2 KHz to 30 GHz
  • c) 200 KHz to 3000 GHz
  • d) 10 KHz to 10 GHz
Q.10
Which type of waveform cannot be produced by non-linear oscillators?
  • a) Saw-tooth
  • b) Sinusoidal
  • c) Square
  • d) Triangular
Q.11
Which type conversion can be done using LM2575WU?
  • a) DC-DC conversion
  • b) AC-DC conversion
  • c) DC-AC conversion
  • d) AC-AC conversion
Q.12
Who invented alternating current?
  • a) Nicola Tesla
  • b) Thomas Edison
  • c) Albert Einstein
  • d) Stephen Hawking
Q.13
What is the frequency of the supplied alternating current in United States?
  • a) 50 KHz
  • b) 30 Hz
  • c) 50 Hz
  • d) 60 Hz
Q.14
What is the time taken by a sinusoidal signal of frequency 0.5 Hz to complete one fundamental cycle?
  • a) 5 seconds
  • b) 3 seconds
  • c) 2 seconds
  • d) 4 seconds
Q.15
What is the frequency of a sinusoidal signal if the time taken to complete one fundamental cycle is 0.1 seconds?
  • a) 5 Hz
  • b) 10 Hz
  • c) 0.5 Hz
  • d) 4 Hz
0 h : 0 m : 1 s