Answer to Question #80085 in Electricity and Magnetism for DEVENDRA SINGH

Question

1. State with reasons whether the following statements are True or False.
i) Sound and light waves are the only two ways of establishing a communication link.
ii) More number of bits will be required to transmit a signal using Hindi language
alphabets than using English language alphabets.
iii) In a standing wave pattern the distance between the two maxima is equal to the
wavelength of the incident wave.
iv) It is advisable to have the highest value of the amplitude modulation index.
v) Frequency shift keying is modulation of digital carrier signal with an analog intelligent
signal.
vi) Mobile telephony cannot handle analog signal.
vii) Colour television signal can be obtained by using black and white cameras.
viii) Only visible band signals can be transmitted through an optical fibre.
ix) Share level security provides stronger protection than user level security in a
network.
x) WAP helps in connecting devices without cables.

Answer 1

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