JEE Main 27 July 2021 Shift 1 Solved Paper

The amplitude of upper and lower side bands of A.M. wave where a carrier signal with frequency 11.21 MHz, peak voltage 15 V is amplitude modulated by a 7.7 kHz sine wave of 5V amplitude are

a

10

V and

b

10

V respectively. Then the value of

a

b

is ___________