Anamplitude modulated signal is given by `V(t)=10[1+0.3 cos (2.2 xx 10 ^4t) sin (5.5 xx 10^5t)` Here t is in seconds .The sideband frequencies (in KHz) are `[Given pi = 22//7]`
An amplitude modulated wave is represented by C_m = 10(1+ 0.2 sin 12560 t ) sin (1.11 x 10^4 t) V . The modulating frequency in KHz will be
The amplitude modulated current is given by i=125[1+0.6sin2900t]sin(5.50xx10^(5)t) . The RMS value of carrier current will be
A modulated signal is represented as x(1) = 6 sin 1250 t + sin 10^(8) t then the mudulating index is
The amplitude modulated current is given by i=70[1+0.06sin2900t]sin10^(6)t . The depth of modulation is
An AM wave is given by V=1500[1+0.5sin12560t]sin(5.26xx10^(5)t) . The modulating frequency is
An AM wave is given by V=1500[1+0.5sin62800t]sin(5.26xx10^(5)t) . The modulating frequency is
The amplitude modulated current is given by i=75[1+0.3sin2003t]sin(7xx10^(5)t) . The RMS value of carrier current will be
The magnetic field in plane electromagnetic wave is given by B= 3.01 xx 10^(-7) sin (6.28 xx 10^(2)x + 2.2 xx 10^(10) t) I. [ where x in cm and t in second] The wavelength of the given wave is
The magnetic field in a plane electromagnetic wave is given by B_(y) = 2xx10^7 T sin (0.5xx10^3x+1.5xx10^11 t) T (a) What is the wavelength and frequency of the wave? (b) Write an expression for the eletric field.
