Login
Subject: Physics, asked on 25/11/17

Question:  What is meant by informational signal?

Subject: Physics, asked on 25/11/17

is attenuation a technical fault?

Subject: Physics, asked on 16/11/17

with the help of a labelled circuit diagram, explain how a junction diode is used as a full wave rectifier

Subject: Physics, asked on 16/11/17

show diagramatically how an amplitude modulated wave is obtained when a modulating signal is superimposed on a carrier wave.

Subject: Physics, asked on 15/11/17

Why we need modulation ?

Subject: Physics, asked on 14/11/17

What are the different types of transmission media and write their bandwidth.

Subject: Physics, asked on 12/11/17

No links please

Subject: Physics, asked on 12/11/17

No links please

Q9. For space wave transmission, increasing the height of the transmitting antenna only is less efficient than increasing the height both the transmitting and the receiving antennas simultaneously-discuss.

Subject: Physics, asked on 12/11/17

What do you mean by noise in the context of a transmitted signal?

Subject: Physics, asked on 12/11/17

No links please

5. 'If the frequency of a radio wave increases, the refractive index an ionosphere layer increases'-discuss.

Subject: Physics, asked on 12/11/17

No links please
Q.2. 'In frequency modulation, the number of sidebands is infinite'— discuss.

Subject: Physics, asked on 12/11/17

No links please
Q.1. Why is data signal not suitable for direct long distance communication?
 

Subject: Physics, asked on 2/11/17

10thquestion

Subject: Physics, asked on 2/11/17

9th question please

Subject: Physics, asked on 2/11/17

24 th question please

45678
What are you looking for?