? 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