Basic Electronics MCQ - Practice Questions

Question 1

Radiowaves of constant amplitude can be generated with

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Question 2

When a P-N junction diode is reverse biased the flow of current across the junction is mainly due to

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Question 3

When arsenic is added as an impurity to silicon, the resulting material is?

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Question 4

When N-type semiconductor is heated ?

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Question 5

A semi-conducting device is connected in a series circuit with a battery and a resistance. A current is found to pass through the circuit. If the polarity of the battery is reversed, the current drops to almost zero. The device may be

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Question 6

Which of the following, when added as an impurity, into the silicon, produces n-type semi conductor

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Question 7

Which one of the following is the weakest kind of the bonding in solids

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Question 8

To use a transistor as an amplifier

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Question 9

The Keynesian theory of employment provides the 
solution of?

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Question 10

The depletion layer in the P-N junction region is caused by?

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