38. Consider this battery with an emf of E = 3V.(a)If the potential at the negative end of the battery is1 V, the potential at the positive end of the battery isA) -2V B) 1VC) 2V D) 3V E) 4V(b)Which current is larger?A) IA, going into the batteryB) IB, coming out of the batteryC) Both currents are the same1129 APE 1261V8 = 3VV?아픔I+ IBtv A

Solution: Given: Part (a): ε = emf of battery = 3 V V1 = potential at the negative end of battery =…

8. Consider this battery with an emf of E = 3V. (a) If the potential at the negative end of the battery is 1V, the potential at the positive end of the battery is A) -2V B) IVC) 2V D) 3V E) 4V (b) Which current is larger? A) IA, going into the battery B) IB, coming out of the battery C) Both currents are the same 8 = 3V 가 + IV V? IB

8. Consider this battery with an emf of E = 3V. (a) If the potential at the negative end of the battery is 1V, the potential at the positive end of the battery is A) -2V B) IVC) 2V D) 3V E) 4V (b) Which current is larger? A) IA, going into the battery B) IB, coming out of the battery C) Both currents are the same 8 = 3V 가 + IV V? IB

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

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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Question

3
8. Consider this battery with an emf of E = 3V.
(a)
If the potential at the negative end of the battery is
1 V, the potential at the positive end of the battery is
A) -2V B) 1VC) 2V D) 3V E) 4V
(b)
Which current is larger?
A) IA, going into the battery
B) IB, coming out of the battery
C) Both currents are the same
1129 APE 1
26
1V
8 = 3V
V?
아픔
I+ IB
tv A

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18)
9. A capacitor of 5000 µF is charged by a 12 V supply and then discharged through a 150 Q resistor. Calculate (a) its initial charge, (b) the time constant (c) the charge remaining after 1.5 seconds.
13) Two bulbs are connected to an ideal battery, as shown below. Battery V bat Bulb B Bulb A Switch Capacitor C (a) Immediately after the switch is closed, what are the potential differences across bulb A, bulb B, and the capacitor C in terms of Vbat? Explain. (b) Rank the currents IA, IB, IC, and I bat immediately after the switch is closed. Explain. (c) Rank the currents IA, IB, IC, and Ibat a long time after the switch is closed. Explain. (d) A long time after the switch is closed, what are the potential differences across bulb A, bulb B, and the capacitor C in terms of bat? Explain.
23. Seven resistors are connected to a 22.0-V battery as shown below, with R1 = 4.00 , R2 = 5.00 , R3 = 2.50 , R4 = 3.50 , R5 = 2.00 , R6 = 8.00 , and R7 = 6.00. R, 220v Ry a) What is the equivalent resistance of this combination? b) What are the currents through each of the resistors? c) What is the total power delivered by the battery?
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