Power Electronics MCQ #12

Power Electronics MCQ #12 (#121 to #130)

Power Electronics MCQ #12 (#121 to #130)

Power Electronics MCQ #12

121) Zener diodes are used primarily as
122) A PN junction that radiates energy as light instead of as heat is called a
123) The capacitance of a varactor diode increases when reverse voltage across it
124) To display the light 8 in a seven-segment indicator
125) A photodiode is normally
126) When the reverse voltage increase, the junction capacitance
127) The device associated with voltage-controlled capacitance is a
128) The varactor is usually
129) When the light increases, the reverse current in a photo diode
130) To display the digit ‘0’ in a seven-segment display
Power Electronics MCQ #12
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