? GTU Engineering 1st Year MCQ | Basic Electronics-2110016 Summer 2015 Sem-2

MCQ(s) of Basic Electronics (2110016) - Summer 2015 Sem-2

    • Q. 1  The frequency that has the longest period is
    • (A) 10 KHz
      (B) 1 KHz
    • (C) 10 Hz
      (D) 1 Hz
    • (D) 1 Hz
    • Q. 2  Ohm’s law (V = IR)
    • (A) Can be applied to a.c similar to that of d.c.
      (B) Can be applied to a.c. but after replacing R by Z (impedance)
    • (C) Can never be applied to a.c
      (D) None of the above
    • (B) Can be applied to a.c. but after replacing R by Z (impedance)
    • Q. 3  The difference in period of two frequencies of 1MHz and 2 MHz is
    • (A) 0.5 milli-seconds
      (B) 0.5 micro-seconds
    • (C) 1 milli-seconds
      (D) 1 micro-seconds
    • (B) 0.5 micro-seconds
    • Q. 4  Conductance is expressed in terms of
    • (A) ohm / m
      (B) m / ohm
    • (C) mho / m
      (D) mho.
    • (D) mho.
    • Q. 5  Which resistor will be physically larger in size ?
    • (A) 10 ohm, 50 W
      (B) 100 ohm, 10 W
    • (C) 1 kohm, 1 W
      (D) 10 Mohm, 1/ 2 W
    • (A) 10 ohm, 50 W
    • Q. 6  The output of a logic gate is ‘1’ when all its input are at logic 0.The gate is either
    • (A) NAND or an EX OR gate
      (B) NOR or an EX-NOR gate
    • (C) an OR or an EX NOR gate
      (D) an AND or an EX-OR gate
    • (A) NAND or an EX OR gate
    • Q. 7  Out of following signals __________ is an even signal.
    • (A) Cosine wave
      (B) Sine wave
    • (C) Triangle wave
      (D) None of the above.
    • (A) Cosine wave
    • Q. 8  The circuit which magnifies a small input signal without changing its shape is called an ____________
    • (A) Linear amplifier
      (B) Power Amplifier
    • (C) Non-linear Amplifier
      (D) None of Above
    • (A) Linear amplifier
    • Q. 9  IC741 use a ________ polarity supply.
    • (A) Dual
      (B) Single
    • (C) Negative
      (D) None of Above
    • (A) Dual
    • Q. 10  Minimum bandwidth of an AM wave is ________.
    • (A) fm
      (B) 2fm
    • (C) 0.5fm
      (D) 4fm
    • (B) 2fm
    • Q. 11  PCM is a _________Pulse Modulation Technique
    • (A) Analog
      (B) Digital
    • (C) Hybrid
      (D) None of Above
    • (B) Digital
    • Q. 12  The first cellular systems were ___________.
    • (A) Analog
      (B) Digital
    • (C) Hybrid
      (D) None of Above
    • (A) Analog
    • Q. 13  A feedback control system is also called a___________.
    • (A) Recursive system
      (B) Linear System.
    • (C) Open loop system
      (D) Closed loop system
    • (D) Closed loop system
    • Q. 14  CPU communicates with the outside world through the ________.
    • (A) Memory
      (B) I/O devices
    • (C) ALU
      (D) None of Above
    • (B) I/O devices