An audio signal is modulated by a carrier wave of 20MHz such that the bandwidth required for modulation is 3kHz. Could this wave be demodulated by a diode detector which has the values of R and C as
(i) R = 1 kΩ, C = 0.01μF. (ii) R = 10 kΩ, C = 0.01μF. (iii) R = 10 kΩ, C = 0.1μF.