1) In the circuit shown in figure below the batteries have negligible internal resistance and the meters are both idealized. With the switch S open, the voltmeter reads 15.0 V. (a) Find the emf E of the battery. (b) What will the ammeter read when the switch is closed? 30.0 Ω 75.0 Ω www ww A 20.0 + Ω T25.0 V 50.0 ISV + ε = ? 51 Ω L

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter28: Direct-current Circuits
Section: Chapter Questions
Problem 28.55AP: For the circuit shown in Figure P28.55. the ideal voltmeter reads 6.00 V and the ideal ammeter reads...
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1) In the circuit shown in figure below the batteries have negligible internal resistance and the meters are both
idealized. With the switch S open, the voltmeter reads 15.0 V. (a) Find the emf E of the battery. (b) What will
the ammeter read when the switch is closed?
30.0 Ω
75.0
Ω
www
ww
A
20.0
+
Ω
T25.0 V
50.0
ISV
+
ε = ? 51
Ω
L
Transcribed Image Text:1) In the circuit shown in figure below the batteries have negligible internal resistance and the meters are both idealized. With the switch S open, the voltmeter reads 15.0 V. (a) Find the emf E of the battery. (b) What will the ammeter read when the switch is closed? 30.0 Ω 75.0 Ω www ww A 20.0 + Ω T25.0 V 50.0 ISV + ε = ? 51 Ω L
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