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When a broadcast AM transmitter is 50% m...

When a broadcast AM transmitter is 50% modulated, its antenna current is 12 A. What would be the carrier current?

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The correct Answer is:
11.3
`I_t` = 12A, `I_c` = ?, `mu = 50/100= 1/2`
As `I_c=I_t/(sqrt(1+mu^2//2))`
`:. I_c=12/(sqrt1+1//8)=(12)/(3/(2sqrt2))=(12 xx2sqrt2)/(3)=11.3 A`
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