The skin depth of copper is found to be 66 mm at 1 MHz at a certain temperature. At the same temperature and at 2 MHz, the skin depth would be approximately

The skin depth of copper is found to be 66 mm at 1 MHz at a certain te

1.	The skin depth of copper is found to be 66 mm at 1 MHz at a certain temperature. At the same temperature and at 2 MHz, the skin depth would be approximately
A.	47 Œºm
B.	33 Œºm
C.	92 Œºm
D.	1.22 Œºm
Answer» B. 33 Œºm