Question 13 4 pts Which of the following is true about PN junctions? Select all

Question

Question 13 4 pts Which of the following is true about PN junctions? Select all that apply. Current flows freely through the PN junction even under small reverse bias voltages. Even though P and N type materials are electrically neutral, when combined they create a voltage, called the bias voltage The built-in electric field in a PN junction is the cause of the drift current in a PN junction. The PN junction is what gives diodes and transistors their fundamental properties A PN junction will be destroyed if the reverse bias breakdown voltage is exceeded.

Explanation / Answer

1)in ideal diode all current is blocked in reverse bias condition.False

2)biasing pn junction means applying positive voltage (external) to overcome barrier potential.False

3) drift current is flow of electrons and holes in response of applied electric field (not in built) False

4) Yes pn junction gives diodes and transistors their fundamental property. True

5)zener diode uses reverse breakdown to give constant voltage . so reverse breakdown do not destroy pn junction False

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