RRB JE 2019: EDC Quiz 10

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Question 1

Photodiodes operate at

• AForward bias
• BBreakdown region
• CReverse bias
• DSaturation region

Question 2

Applications of precision diode are –
I. half wave rectifier
II. peak detector
III. window detector

• AI, II and III
• BI and III
• CI and II
• DNone of these

Question 3

Find the voltage drop (V_d) across Silicon diode in the circuit below.

• A0.7 V
• B0.3 V
• C0.42 V
• D0.052 V

Question 4

The donor atoms is an N-type semi-conductor at normal temperature ___________.  

• Acarry a positive charge
• Bcarry a negative charge
• Care neutral
• DNone of these

Question 5

The components of full-wave voltage doubler circuit are

• A2 diodes and 1 capacitor
• B4 diodes and 1 capacitor
• C2 diodes and 2 capacitor
• D4 diodes and 2 capacitor

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