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The batteries shown in the circuit in (Figure 1) have negligibly small internal resistances. Assume that & 8.00 negligibly small internal resistances. Assume that-8.00 V and R = 21.9 Ω

1.

Find the current through the 30.0 Ω resistor.

Express your answer in amperes to three significant figures

2.

Find the current through the 21.9 Ω resistor.

Express your answer in amperes to three significant figures

3.

Find the current through the 8.00 V battery.

Express your answer in amperes to three significant figures

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Priyanka
PriyankaLv10
26 Mar 2021

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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Consider the junction of three wires as shown in the diagram.

Wire 1 Wire 2 Wire 3

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Part A

What is the potential difference Vab between points a and b when the switch S is open?

Express your answer with the appropriate units.

Part B

What is the potential difference Vab between points a and b when the switch Sis closed?

Express your answer with the appropriate units.

Part C

For the 4.00 Ω resistor, calculate the current through the resistor with S open.

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Part D

For the 4.00 Ω resistor, calculate the current through the resistor with S closed.

Express your answer with the appropriate units.

The graph in the figure shows the current through a 5.0 Ω resistor as a function of time.



Part A -
How much charge in C flowed through the resistor during the 10 s interval shown?
Express your answer using two significant figures.
Q = _________C


Part B -
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Express your answer using two significant figures.
E = __________J

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