MCQ ELECTRONICS

1. An electron device means the device in which the conduction of electrons takes place through
(a) a gas.
(b) vacuum.
(c) a semiconductor.
(d) a gas, semiconductor or vacuum.

2. Which one of the following is used as an active device in electronic
circuits ?
(a) Transformer. 

(b) Electric heater.
(c) SCR

(d) Loudspeaker.

4. The colour code of a 1 k resistance is
(a) black, brown, red.
(b) red, brown, brown. 
(c) brown, black, red.

(d) black, black, red.

5. Neutralizing capacitors are normally used in
(a) Audio amplifiers.
(b)Video amplifiers.
(c) RF and IF amplifiers.
(d)Operational amplifiers.

6. Which one of the following has the ability to act as an open circuit
for de and a short circuit for ac of high frequency.
(a) An inductor.
(c) A resistor.
(b) A capacitor.
(d) None of the above.

7. A device having characteristics very close to that of an ideal
voltage source is
(a) vacuum diode.
(c) transistor.
(b) zener diode.
(d) FET.

8. The maximum number of electrons which the valence shall of an
atom can have is
(a) 6
(b) 8
(c) 18

 (d) 2

According to free electron theory, electrons in a metal are subjected
(a) constant potential.
(b) sinusoidal potential.
(e) square-wave potential 

(d) non-periodic potential.

1.Electronics is that branch of engineering which deals with the application of?

A) electronic devices.
B) production of electronic components.
C) fission of uranium nuclei.
D) generation of small power

... Answer is A)

C-20 OCT -NOV 2023 AP DIPLOMA QUESTION PAPERS

 

CLICK HERE FOR 1ST YEAR QUESTION PAPERS

 

 

CLICK HERE FOR 3 RD SEM  QUESTION PAPERS

 

CLICK HERE FOR 4 TH  SEM  QUESTION PAPERS

 

 

CLICK HERE FOR 5/6 RD SEM  QUESTION PAPERS

 

c-16 OCT NOV 2023 AP DIPLOMA QUESTION PAPERS

 

CLICK HERE FOR 1ST YEAR QUESTION PAPERS

CLICK HERE FOR 3 RD SEM  QUESTION PAPERS

CLICK HERE FOR 4 TH  SEM  QUESTION PAPERS

CLICK HERE FOR 5/6 RD SEM  QUESTION PAPERS

MCQ'S ON ELETRICAL MEASURMENTS

 1.Deflection methods of direct  measurements are most widely used as these are 

a) mostly simple

b)most accurate 

c)least time consuming

d) most simple and least time consuming 

ans : d

2 Comparison methods are used

a)because these are most simple

b)because these are inexpensive

c)because these take least time in measurement

ans: d

3 The main advantage of the null balance technique of measurement is that  

a)it does not load the medim

b)it gives a centre zero value as its input 

c)it gives a quick measurement

d)it is not affected by temperature variation 

ans:a

4 The region between the limits within which a quantity is measured received or transmitted ,expressed by stating the lower and upper limits is called the

a) range

b) span

c)range limit

d)none of these 

ans : a 

5 The span of a zero-centers voltmeter having a scale from -10v to10v is

a) 0V

b) -10v

c)10v

d)20v

ans :d

6 if two meters X & Y require 40mA &50mA respectively,to give full deflection,then

a)X is more sensitive 

b) Y is more sensitive 

c)both  are sensitive

d)it is not possible to asses with the data given

ans :a

7 A meter having a sensitivity of 2kOhm/V is used for the measurement of voltage across a circuit having an output resistance of 1kohm and open circuit voltage of 8V.What is the meter at its 10V scale

a)57.2V

B)6.51V

c)7.62V 

d)7.91V

ans c

8 The smallest change in a measured variable to which an instrument will respond is 

a)accuracy

b)resolution

c)precision

d)sensitivity 

ans b

9 Resolution of an instrument of an instrument is 

a) the minimum quantity it can measure 

b) the maximum quantity it can measure

c)the maxiumum nonlinearity 

d)ablility to distinguish polarity 

ans: a 

10 Hysteresis in an instrument means

a) the change in same reading when the input is first increased and then reduced 

b)the reliablity if the instrument 

c)the repeatability of the instrument 

d)the inaccuracy due to change in temperature

ans :a

11 The static error band of an instrument implies the

a) accuracy of the instrument

b) the irrepeatability of the instrument 

c)error caused when the pen stopped at some deflection

d) error introduced in low varying inputs

ans: c 

12 the static error band of an instrument does not include 

a)non linearity

b)electric drift

c)hysteresis in the instrument

d)non of these 

ans :b

13 the fact as to how closely the instrument reading follows is measured variables is called the

a)accuracy

b)precision

c)fidelity

d)sensitivity

ans :c

14 An higher scale ammeter is used to measure too low current The measurement would have low

a) precision

b)accuracy

c)resolution

d)all of the above

ans:d

15 Thermal zero-shift in an instrument refers to

a)maximum variation in pen zero due to temperature variation

b)inaccuracy in measurement due to temperature variation

c)shift in zero adjustment due to expansion of springs due ti temperature variation 

d)non of the above

ans a

 

 

 

 

 

 

MCQ'S FOR ECET

MCQ'S

DIPLOMA QUESTION PAPERS SEP/OCT 2020

 

CLICK HERE FOR C-16 REGULAR 1 YEAR

CLICK HERE FOR C-16 REGULAR 2 YEAR 4 SEM

CLICK HERE FOR C-16 REGULAR 3 YEAR 5 SEM

CLICK HERE FOR SUPPLEMENTARY   C-09 

CLICK HERE FOR SUPPLEMENTARY   C-14

CLICK HERE FOR SUPPLEMENTARY   C-16

THIS INFORMATION IS COLLECTED FOR BENEFIT OF STUDENTS NO ACTION CAN BE TAKEN.