apacitor C = 5 pF, resistor R = 140 Q and a voltmeter are connected to a battery of Emf = 15 V as sho the figure below. If the voltmeter is disconnected, what is the potential difference across the capaci %3D a l'int V C b
apacitor C = 5 pF, resistor R = 140 Q and a voltmeter are connected to a battery of Emf = 15 V as sho the figure below. If the voltmeter is disconnected, what is the potential difference across the capaci %3D a l'int V C b
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Transcribed Image Text:A capacitor C = 5 µF, resistor R = 140 Q and a voltmeter are connected to a battery of Emf = 15 V as shown
in the figure below. If the voltmeter is disconnected, what is the potential difference across the capacitor?
R
a
C
Fint
Emf
The potential difference, V, =
Units Select an answer v.
Then the voltmeter is connected to points a and b and used to measure the potential difference across the
capacitor. What does the voltmeter read if its internal resistance is rint = 1 kN?
The voltmeter readings, V2 =
Units Select an answer v
How can the accuracy of voltmeter be increased? What internal resistance would provide more accurate
measurements? Please write your answer in the box below.
pe here to search
3.
5
E
K
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