BE Electronics Engineering

BE Electronics Engineering Quiz

100

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BE Electronics Engineering Quiz

1 / 25

The magnetism left in the iron after exciting field has been removed is known as:-

2 / 25

Duration of  rotation of pen in the PMMC system  depends upong :-

3 / 25

In down  conversion multiplication  with  cosine  wave  is  followed  by ;-

4 / 25

Silicon steel is use din electrical machines because it has:-

5 / 25

Cramer's  rule  fails  for ;-

6 / 25

A permanent magnet attract some substances and repels others:-

7 / 25

Random things  in a  communication system  are :-

8 / 25

The dielectric constant of a glass is given by:-

9 / 25

Dielectric constant for mica is:-

10 / 25

I CO in a diode and I CBO in a transistor consist of majority carriers:-

11 / 25

The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually fall to _________ percent of its initial maximum value;-

12 / 25

To prevent the generation of static charge on rubber or flat leather:-

13 / 25

In wire wounded  strain gauges , the change in resistance  is due to ;-

14 / 25

Which element does not occur in third group of the periodic table:-

15 / 25

Star delta  starting of motors  is not  possible  in case of ;-

16 / 25

Which capacitor can be used for temperature compensation:-

17 / 25

Which  transformations  are  allowed  in the Gauss  Jordan method :-

18 / 25

Rise  time  is   defined  by  the  interval  when  gate current  rises  from  90%  to 100%  of it  final  value :-

19 / 25

With rise in temperature the resistance of semi conductors:-

20 / 25

For which of the following material the net magnet moment should be zero:-

21 / 25

Piezo electric  transducer are ;-

22 / 25

When an ammeter is  inserted  in the circuit ,  the circuit  current  will ;-

23 / 25

Which  input  device  interactive  computer graphics :-

24 / 25

Switching  frequency  of  SITH  is ;-

25 / 25

The unit of retentivity is:-