Semiconductor Physics and Diodes MCQs
Practice free Semiconductor Physics and Diodes multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 194 questions — no login required.
Question 145easy
Electronic components which are made of a semiconductor material are often called ___ devices.
Question 146easy
Any voltage that is connected across a P-N junction is called ____ voltage.
Question 147easy
The area within a semiconductor diode where no mobile current carriers exist when it is formed is called ___ region
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Question 148easy
The depletion region of a semiconductor diode is due to
Question 149easy
If an intrinsic semiconductor is doped with a very small amount of boron, then in the extinsic semiconductor so formed, the number of electrons and holes will,
Question 150easy
Two initially identical samples A and B of pure germanium and doped with donors to concentrations of 1 x 10" and 3 x 10" repectively. If the hole concentration in A is 9 x 1012, then the hole concentration in B at the same temperature will be
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Question 151easy
Hall effect is observed in a specimen when it (metal or a semiconductor) is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen will be in
Question 152easy
For a silicon diode, the value of the forwardbias voltage typically
Question 153easy
When forward biased, a diode