Physics, 09.03.2021 22:00 savthespice
DC current is flowing in the primary coil of a transformer. Which of the following DOES NOT happen? A. There is a magnetic field in the primary
B. Current flows in the primary
C. The primary gets warm
D. Current flows in the secondary
Answers: 3
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You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?
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In the circuit, the switch s has been open for a long time and r = 125 kohm. it is then suddenly closed. (a) determine the time constant before the switch is closed. s (b) determine the time constant after the switch is closed. _ s (c) let the switch be closed at t = 0. find the current in the switch as a function of time. (use t for time. express your answer in milliamps and seconds.) i(t) =_
Answers: 3
DC current is flowing in the primary coil of a transformer. Which of the following DOES NOT happen?...
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