11. What is the channel capacity if the bandwidth is 1000 Hz and there are 8 signal levels? (Use the Nyquist formula) A. 5000 bps B. 6000 bps C. 7000 bps D. 8000 bps

An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?