Cc lo -VEE
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
Problem 6RQ: What is CEMF?
Related questions
Question
(a) What is the output current IO in the circuit as shown
if −VEE = −15 V and R = 15ohm ?
Assume that the BJT is in the forward-active re
region
and βF = 30. (b) What is the voltage at the
output of the operational amplifier if the saturation
current IS of the BJT is 10−13 A? (c) What
is the minimum voltage VCC needed for forwardactive
region operation of the bipolar transistor?
(d) Find the power dissipation rating of the resistor
R. How much power is dissipated in the
transistor if VCC = 15 V?
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