JEE Main2018PhysicsCommunication SystemActual
A telephonic communication service is working at a carrier frequency of 10 GHz . Only 10 % of it is utilized for transmission. How many telephonic channels can be transmitted simultaneously if each channel requires a bandwidth of 5 kHz ?
Options
- A2 × 10 6
- B2 × 10 3
- C2 × 10 4
- D2 × 10 5
Correct answer
D. 2 × 10 5
Step-by-step solution
Number of telephonic channels that can be transmitted simultaneously, = 0.1 × 10 × 10 9 5 × 10 3 = 2 × 10 5