The mobile telephones operate typically in the range of

A typical anther is

A typical anther is

Typical anther is

Who invented telephone ?

Mobility

A person made 165 telephone calls in the month of May in a year . It was Friday on 1st May of the year. The average of telephone calls on Sundays of the month was 7. What was the average of the telephone calls per day on the rest days of the month

The ratio (R) of output resistance r_0 and the input resistance r, in measurements of input and output charactersitics of a transistor is typically in the range :

The ratio (R) of output resistance r_0 and the input resistance r, in measurements of input and output charactersitics of a transistor is typically in the range :

The ratio (R) of output resistance r_0 and the input resistance r, in measurements of input and output charactersitics of a transistor is typically in the range :

What is the basic idea of mobile telephony? What is the frequency range used in the operation of mobile phones?