If the maximum values of signal and carrier waves are 4 V and 5 V respectively, the percenteage of amplitude modulation is `axx10%`. What is the value of a ?

Explanation

Here, `A_(m)=4, A_(c)=5V`
percentage of modulation,
`mu=(A_(m))/(A_(c))xx100=(4)/(5)xx100=80%=axx10%`
`therefore a=8`