Communication Systems - Section 1 (7)

Directions to Solve

49.

For attenuation of high frequencies we should use

Answer: Option A

Explanation:

Since Xc for high frequencies is low, the high frequencies are shunted to ground and are not transmitted.

50.

A cordless telephone using separate frequencies for transmission in base and portable units is known as

Answer: Option A

Explanation:

Separate frequencies for transmission from base and portable units allows two way transmission and is called duplex arrangement.