) In the figure what value must R have if the current in the circuit is to be 0.93 mA? Take ₁ = 2.2 V, 8₂ = 3.4 V, and = r2 = 3.0 2. (b) What is the rate at which thermal energy appears in R? WIF -18, T W
) In the figure what value must R have if the current in the circuit is to be 0.93 mA? Take ₁ = 2.2 V, 8₂ = 3.4 V, and = r2 = 3.0 2. (b) What is the rate at which thermal energy appears in R? WIF -18, T W
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![**Text:**
(a) In the figure, what value must \( R \) have if the current in the circuit is to be 0.93 mA? Take \( \mathscr{E}_1 = 2.2 \, \text{V}, \, \mathscr{E}_2 = 3.4 \, \text{V} \), and \( r_1 = r_2 = 3.0 \, \Omega \). (b) What is the rate at which thermal energy appears in \( R \)?
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(a) Number [ ] Units [ ]
(b) Number [ ] Units [ ]
**Diagram Explanation:**
The diagram includes a circuit with two batteries and three resistors. The circuit is organized as follows:
1. \( \mathscr{E}_1 \) and \( r_1 \) are in series on the left side of the circuit.
2. \( \mathscr{E}_2 \) and \( r_2 \) are in series on the right side of the circuit.
3. The resistor \( R \) connects the two series elements in parallel, completing the circuit loop.
\( \mathscr{E}_1 = 2.2 \, \text{V} \) and \( \mathscr{E}_2 = 3.4 \, \text{V} \) represent the electromotive forces of the batteries. \( r_1 = r_2 = 3.0 \, \Omega \) are the internal resistances of each battery.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9ea0e50e-bc61-40aa-a108-fd1d63d4d69b%2F866f5bd6-73f1-4866-98ae-fd9476669090%2Fgtrs9ki_processed.png&w=3840&q=75)
Transcribed Image Text:**Text:**
(a) In the figure, what value must \( R \) have if the current in the circuit is to be 0.93 mA? Take \( \mathscr{E}_1 = 2.2 \, \text{V}, \, \mathscr{E}_2 = 3.4 \, \text{V} \), and \( r_1 = r_2 = 3.0 \, \Omega \). (b) What is the rate at which thermal energy appears in \( R \)?
---
(a) Number [ ] Units [ ]
(b) Number [ ] Units [ ]
**Diagram Explanation:**
The diagram includes a circuit with two batteries and three resistors. The circuit is organized as follows:
1. \( \mathscr{E}_1 \) and \( r_1 \) are in series on the left side of the circuit.
2. \( \mathscr{E}_2 \) and \( r_2 \) are in series on the right side of the circuit.
3. The resistor \( R \) connects the two series elements in parallel, completing the circuit loop.
\( \mathscr{E}_1 = 2.2 \, \text{V} \) and \( \mathscr{E}_2 = 3.4 \, \text{V} \) represent the electromotive forces of the batteries. \( r_1 = r_2 = 3.0 \, \Omega \) are the internal resistances of each battery.
Expert Solution
Step 1
Current = i = 0.93 mA
E1 = 2.2 V
E2 = 3.4 V
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