Which of the following statements are true for an inductor? Select all the correct answers. a) The current through it is proportional to the derivative of the voltage across it: i is proportional to dv/dt b) The voltage across it is proportional to the derivative of the current through it. v is proportional to di/dt c) It can be replaced with a short circuit when finding the DC response d) It can be replaced with an open circuit when finding the DC response e) When combined in series, they combine like resistors in series O f) When combined in series, they combine the same as resistors in parallel g) When combined in parallel, they combine like resistors in series h) When combined in parallel, they combine like resistors in parallel O i) The voltage across it can not change instantly j) The current through it can not change instantly

Which of the following statements are true for an inductor? Select all the correct answers. a) The current through it is proportional to the derivative of the voltage across it: i is proportional to dv/dt b) The voltage across it is proportional to the derivative of the current through it. v is proportional to di/dt c) It can be replaced with a short circuit when finding the DC response d) It can be replaced with an open circuit when finding the DC response e) When combined in series, they combine like resistors in series O f) When combined in series, they combine the same as resistors in parallel g) When combined in parallel, they combine like resistors in series h) When combined in parallel, they combine like resistors in parallel O i) The voltage across it can not change instantly j) The current through it can not change instantly

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 2PA: You are an electrician working in an industrial plant. You discover that the problem with a certain...

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You are an electrician working in an industrial plant. You discover that the problem with a certain machine is a defective capacitor. The capacitor is connected to a 240-volt AC circuit. The information on the capacitor reveals that it has a capacitance value of 10 mF and a voltage rating of 240 VAC. The only 10-mF AC capacitor in the storeroom is marked with a voltage rating of 350 WVDC. Can this capacitor be used to replace the defective capacitor? Explain your answer.
The following figure represents an RC-Circuit with the switch. In Figure A, the capacitor is initially uncharged. In Figure B, the capacitor is initially fully charged. 1) Draw and label the current direction immediately after the switch is closed for each figure. 2) Consider Figure A. What is the voltage across the capacitor as t → 0? Explain. 3) Consider Figure B. Is the voltage across the resistor increasing, decreasing or staying the same as t → 0? Explain. A) B) R C
R₁ (10 m) 0.2 H ми 00000 &₁ = 50V R₂ (200) E₂ = 30V
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