Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion
Discussion Forum : Electromagnetic Field Theory - Section 1 (Q.No. 34)
34.
The Depth of penetration of EM wave in 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
Answer: Option
Explanation:
Skin depth 
δ2 = δ1/2 .
Discussion:
3 comments Page 1 of 1.
Ravi said:
8 years ago
First search the value of 'u' in graphite then solve it. You can do.
Ibezim esther said:
8 years ago
Please help me to solve this. Calculate the depth of penetration of an electromagnetic field with frequency of 2000kHz in granite with a conductivity of 10^-6sm-1.
IBEZIM esther said:
8 years ago
Please, show me the full explanation.
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