Question

29. An antenna has an impedance of 50Ω.An Unmodulated AM wave produces a current of
4.8A .The percentage of modulation is 90%.Calculate (i) the carrier power (ii)total power
(iii)side band power

30. The frequency of wein bridge oscillator is 1200Hz.If resistance used is 820Ω, calculate
the value of capacitance. What is the frequency of the oscillations if resistor is replaced by
another resistor of 1KΩ?

31. Simplify y=⅀m(1,3,5,6,8,9,11,12)+⅀d(0,7,14) using k-map. Draw the logic circuit for
simplified equation using NAND gates?

Answer 1

Answer:

This is what your supposed to do seriously.

Explanation: