Electromagnetic Field Theory - Engineering

Q1:

For F1 layer the maximum ionic density is 2.3 x 104 electrons per cc. The critical frequency for this layer will be

A 1.36 MHz

B 13.6 MHz

C 136 MHz

D 1360 MHz

ANS:B - 13.6 MHz

.root { background-image: url(/_files/images/chemical-engineering/common/root.gif); background-position: top left; background-repeat: no-repeat; padding-left: 10px; padding-top: 1px; } fc = 9Nmax .