The voltage across a 2F capacitor is plotted below. What is the (displacement)current through the capacitor at time t = 25 seconds? Also, how much energy isstored in the electric field fromtot = 30 s. Select one option each for Current and Energy.U0UU42Fve (0)5-5-104t = -5sCVoltage Across Capacitor51015t125-1A=125=2A20I25-1A125= -2AE30 = 10JE30 = 14JE30-16JE30 - 12J=253035

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The voltage across a 2F capacitor is plotted below. What is the (displacement) current through the capacitor at time t = 25 seconds? Also, how much energy is stored in the electric field from to t = -5s t = 30 s

The voltage across a 2F capacitor is plotted below. What is the (displacement) current through the capacitor at time t = 25 seconds? Also, how much energy is stored in the electric field from to t = -5s t = 30 s

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...

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Concept explainers

Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

Question

The voltage across a 2F capacitor is plotted below. What is the (displacement)
current through the capacitor at time t = 25 seconds? Also, how much energy is
stored in the electric field from
to
t = 30 s
. Select one option each for Current and Energy.
U
0
U
U
4
2F
ve (0)
5-
5
-10
4
t = -5s
C
Voltage Across Capacitor
5
10
15
t
125-1A
=
125=2A
20
I25-1A
125
= -2A
E30 = 10J
E30 = 14J
E30-16J
E30 - 12J
=
25
30
35

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Step 3: Energy stored from t=5 sec to t=30 sec

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Step 4: Energy stored from t=5 to t=30

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