Which of the following types of semiconductor are used in transistors?A. npn typeB. pnp typeC. pn typeD. Both (1) and (2)

Which of the following types of semiconductor are used in transistors?

1.	Which of the following types of semiconductor are used in transistors?A. npn typeB. pnp typeC. pn typeD. Both (1) and (2)
Answer» Correct Answer - 4 By combining `p`-type and `n-`type semiconductors we can construct various kinds of transistors devices for controlling electric signals.

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Which of the following types of semiconductor are used in transistors?A. npn typeB. pnp typeC. pn typeD. Both (1) and (2)

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