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(A) The standard expression for an amplitude modulated wave is given by $v(t) = A_c(1 + \mu \cos \omega_m t) \sin \omega_c t$,where $A_c$ is the carri

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$2 \; V, 8 \; V$

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(A) The standard expression for an amplitude modulated wave is given by $v(t) = A_c(1 + \mu \cos \omega_m t) \sin \omega_c t$,where $A_c$ is the carrier amplitude and $\mu$ is the modulation index.Comparing this with the given expression $v_m = 5(1 + 0.6 \cos 6280 t) \sin (211 	imes 10^4 t)$:Carrier amplitude $A_c = 5 \; V$.Modulation index $\mu = 0.6$.The amplitude of the modulated wave varies between $A_{max} = A_c(1 + \mu)$ and $A_{min} = A_c(1 - \mu)$.$A_{max} = 5(1 + 0.6) = 5(1.6) = 8 \; V$.$A_{min} = 5(1 - 0.6) = 5(0.4) = 2 \; V$.Thus,the minimum and maximum amplitudes are $2 \; V$ and $8 \; V$ respectively.

An amplitude modulated wave is represented by the expression $v_{m}=5(1+0.6 \cos 6280 t) \sin (211 \times 10^{4} t) \; V$. The minimum and maximum amplitudes of the amplitude modulated wave are,respectively:

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