The potential difference across the resistor, V, varies with time according to the equation V = Ae B %3D a) Plot a suitable graph that can be used to determine the values of A and B. b) Use your graph to determine the values of A and B. c) What is the physical significance of (i) A? (ii) B?
The potential difference across the resistor, V, varies with time according to the equation V = Ae B %3D a) Plot a suitable graph that can be used to determine the values of A and B. b) Use your graph to determine the values of A and B. c) What is the physical significance of (i) A? (ii) B?
College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:The potential difference across the resistor, V, varies with time according to the equation
y = Ae B
%3D
a) Plot a suitable graph that can be used to determine the values of A and B.
b) Use your graph to determine the values of A and B.
c) What is the physical significance of
(i) A?
(ii) B?
d) If R= 51 k2, determine
(i) The initial current flowing through the circuit
(ii) the capacitance of the capacitor
(iii) the charge stored in the capacitor when it is fully charged
%3D
e) Sketch a graph to show how the potential difference across the capacitor varies with time.
Transcribed Image Text:7. In charging a capacitor through a resistor, a student uses the circuit in figure 8.
R
Figure 8
The following table shows how the reading of the voltmeter (V) varies with time (t) when the switch
is closed.
Time, t/s
www.me
V/mV
30
2340
60
1960
90
1610
120
1330
150
1090
180
900
210
750
240
620
270
530
300
440
330
380
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