Introduction to Satellite Communication – 1 – 2

6. In satellite communication, modulation used is :

(a) AM
(b) PAM
(c) PCM
(d) FM

ANSWER

EXPLANATION

7. For global communication the number of satellite needed is :

(a) 1
(b) 2
(c) 3
(d) 10

ANSWER

EXPLANATION

8. Satellite operate in the frequency range :

(a) MF
(b) HF
(c) VHF
(d) VHF and UHF

ANSWER

EXPLANATION

9. A satellite used for international communication is known as :

(a) Comsat
(b) Domsat
(c) Intelsat
(d) 
None of these

ANSWER

EXPLANATION

10. The source of energy for a satellite is :

(a) Battery
(b) Magneto hydrodynamic generator
(c) Fuel cell
(d) 
Solar cell

ANSWER

EXPLANATION

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