Electronic Principles - Section 1 Multiple Questions and Answers.
Exercise Questions ::
Electronic Principles
Published by:Michael Daani
27. Doubling the operating voltage of a purely capacitive circuit:
A. has no effect on the capacitive reactance B. doubles the amount of capacitive reactance C. multiplies the capacitive reactance by 7 D. cuts the capacitive reactance in half
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29. The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?
A. 250 ?A B. 350 ?A C. 0.25 ?A D. 300 ?A
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30. What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm
A. 180 degree B. 30 degree C. 45 degree D. 75 degree
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