Electronics | Practice MCQs Physics for Mdcat | mosaicbro.com

Electronics | Practice MCQs Physics for Mdcat

7 of 107 questions (Page 5 of 16)

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29 The P-type semi-conductor is obtained by adding impurity materials:
Correct Answer: B
No explanation available for this question.
30 The germanium or silicon crystal formed after adding pentavalent impurity is known as substances:
Correct Answer: A
No explanation available for this question.
31 The single crystal of germanium or silicon, formed after adding a trivalent impurity is known as ______ substance:
Correct Answer: B
No explanation available for this question.
32 As the conduction in a P-type substances takes place due to holes, so they are known as ______:
Correct Answer: A
No explanation available for this question.
33 Electrons in a P-type substance due to thermal pair-generation are known as ______:
Correct Answer: B
No explanation available for this question.
34 At 0°K, a semi-conductor acts like ______:
Correct Answer: C
No explanation available for this question.
35 The conversion of alternating current (A.C) into direct current (D.C) is called ______:
Correct Answer: B
No explanation available for this question.
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