MCQ(s) of Basic Electronics (2110016) - Winter 2015 Sem-1

    • Q. 1  Which component has a positive and a negative side?
    • (A) A potentiometer
      (B) A fuse
    • (C) A resistor
      (D) A battery
    • (D) A battery
    • Q. 2  To increase the current capacity of a cell, several cells should be connected in:
    • (A) parallel
      (B) series
    • (C) parallel resonant
      (D) series resonant
    • (B) series
    • Q. 3  Which tolerance rating would a high-quality resistor have?
    • (A) 5%
      (B) 10%
    • (C) 20%
      (D) 0.1%
    • (D) 0.1%
    • Q. 4  What does a common multimeter measure?
    • (A) Resistance, capacitance and inductance
      (B) Voltage, current and resistance
    • (C) Resistance and reactance
      (D) SWR and power
    • (B) Voltage, current and resistance
    • Q. 5  Potential difference is measured by means of:
    • (A) a wattmeter
      (B) an ohmmeter
    • (C) a voltmeter
      (D) an ammeter
    • (C) a voltmeter
    • Q. 6  A resistor in a circuit becomes very hot and starts to burn. This is because the resistor is dissipating too much:
    • (A) voltage
      (B) resistance
    • (C) current
      (D) power
    • (D) power
    • Q. 7  In most of modern IC op-amps, the 741 requires _____ power supplies
    • (A) 1
      (B) 2
    • (C) 3
      (D) 4
    • (B) 2
    • Q. 8  Electrical energy at a frequency of 1454 Hz is in what frequency range?
    • (A) Radio
      (B) Audio
    • (C) High
      (D) Super-high
    • (B) Audio
    • Q. 9  A circuit designed to increase the level of its input signal is called
    • (A) an amplifier
      (B) a modulator
    • (C) an oscillator
      (D) a receiver
    • (A) an amplifier
    • Q. 10  In a frequency modulation receiver, the ________ is in between the antenna and the mixer
    • (A) audio frequency amplifier
      (B) high frequency oscillator
    • (C) intermediate frequency amplifier
      (D) radio frequency amplifier
    • (D) radio frequency amplifier
    • Q. 11  All arithmetic operation take place in the _____ of a computer
    • (A) CPU
      (B) ALU
    • (C) ROM
      (D) Microprocessor
    • (B) ALU
    • Q. 12  The logic gate which detects equality of two bits is
    • (A) EX-OR
      (B) EX-NOR
    • (C) NOR
      (D) NAND
    • (B) EX-NOR
    • Q. 13  The basic building block for a logical circuit is _____
    • (A) A flip flop
      (B) A logical gate
    • (C) An Adder
      (D) None of the above
    • (B) A logical gate
    • Q. 14  A control system in which the control action is somehow dependent on the output is known as
    • (A) closed loop System
      (B) semi closed loop system
    • (C) open system
      (D) None of the above
    • (A) closed loop System