Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN: 9781337399128
Author: Russell E. Smith
Publisher: Cengage Learning
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To protect electronic circuits, some voltage regulatorshave a __ circuit built into them.
The collector leakage current in a transistor is 300 μA in CE
arrangement. If now the transistor is connected in CB arrangement,
what will be the leakage current? Assume β = 120.
(2) For a certain transistor, IB = 20 μA; IC = 2 mA and β = 80.
Calculate ICBO.
(3) In a transistor, IB = 68 μA, IE = 30 mA and β = 440. Determine α
rating of the transistor. Then determine the value of IC using both the
α rating and β rating of the transistor.
What is natural frequency?
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- What is a freewheeling or kickback diode?arrow_forwardName three factors that determine the amount of induced voltage.arrow_forwardThe primary leads of a transformer are labeled 1 and 2. The secondary leads are labeled 3 and 4. If polarity dots are placed beside leads 1 and 4, which secondary lead would be connected to terminal 2 to make the connection additive?arrow_forward
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