Telecom Engineering Quiz


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Telecom Engineering

Telecom Engineering Quiz

1 / 25

Beta's current ratio is;-

2 / 25

In Nd, YAG laser , the maximum doping level of neodymium is______________;-

3 / 25

The voice frequency signaling are of ____________ types:-

4 / 25

Internet services available on mobile phone in ______________ year:-

5 / 25

The number of depletion  layers in a transistor is:-

6 / 25

___________ occurs at a result of the change in lasing frequency with gain:-

7 / 25

If the doping level of a crystal diode  is increased , the breakdown voltage :-

8 / 25

Which equation best suited for the study of electromagnetic wave propagation:-

9 / 25

Which impurity is added to gallium phosphide to make it an efficient light emitter:-

10 / 25

The term bias means the value  of dc voltage  for the device to operate properly:-

11 / 25

The input impedance of a transistor  connected in  ______________ arrangement  is the highest:-

12 / 25

What are the advantages of ISDN:-

13 / 25

A crystal diode has ;-

14 / 25

In a CE configuration , an emitter resistor is used for :-

15 / 25

A thermistor is a:-

16 / 25

Optical fiber couplers are also called as:-

17 / 25

The value of β for a transistor is generally;-

18 / 25

Message travels from transmitter to receiver with the help of:-

19 / 25

A BH can have anything from a single electron to several electrons:-

20 / 25

The first order grating (l = 1) the strongest coupling within the device;-

21 / 25

A device which reduce the intensity of light in optical fiber communication is:-

22 / 25

When a silicon diode is forward biased, VBE for CE configuration is:-

23 / 25

A transistor is a ____________ operated device:-

24 / 25

The ratio of switching capacity divided by  cost per  subscriber line is known as:-

25 / 25

The ______________ filter circuit  results in  the best voltage regulation;-

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