For F1 layer maximum ionic density is 2.3 106 electrons per c.c. The – McqOptions

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1.	For F1 layer maximum ionic density is 2.3 106 electrons per c.c. The critical frequency for this layer will be
A.	1.36 MHz
B.	13.6 MHz
C.	136 MHz
D.	1.36 10
E.	MHz
Answer» C. 136 MHz

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