1.

The buried layer reduces collector series resistance by providing,

A. A low resistivity current path from n-type layer to n<sup>+</sup> contact layer
B. A low resistivity current path from p-type layer to n<sup>+</sup> contact layer
C. A high resistivity current path from n-type layer to n<sup>+</sup> contact layer
D. A high resistivity current path from p-type layer to n<sup>+</sup> contact layer
Answer» B. A low resistivity current path from p-type layer to n<sup>+</sup> contact layer


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