Q255
The depth of penetration of electromagnetic wave in a medium having conductivity σ at a frequency of 1 MHz is 25 cm. The depth of penetration at a frequency of 4 MHz will be
A.
6.25 cm
B.
12.50 cm
AnswerC.
50.00 cm
D.
100.00 cm
Answer: Option B
Solution
Answer: Option B
No explanation is given for this question Let's Discuss on Board