The figure shows a circuit with two batteries and three resistors.

a. How much current flows through the 2.00-Ω resistor?

b. What is the potential difference between points a and b in the circuit?

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B. Haranadh KumarLv10

15 Dec 2020

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Consider the circuit shown in the figure. Suppose the four resistors in this circuit have the values (in ohms) R₁ = 12 Ω, R2 =6.8 Ω, R3 = 6.6 Ω, and R4 = 15 Ω, and that the emf of the battery is e= 18 V.

A. Find the current through each resistor using the rules for parallel resistors.

B. Find the current through each resistor using Kirchoff'srules.

ceruleanbear388

Consider the circuit shown in Figure P18.10.

(a) Calculate the equivalent resistance of the 10.0-Ω and 5.00-Ω resistors connected in parallel.

(b) Using the result of part (a), calculate the combined resistance of the 10.0-Ω, 5.00-Ω, and 4.00-Ω resistors.

(d) Combine the equivalent resistance found in part (c) with the 2.00-Ω resistor.

(e) Calculate the total current in the circuit.

(f) What is the voltage drop across the 2.00-Ω resistor?

(g) Subtracting the result of part (f) from the battery voltage, find the voltage across the 3.00-Ω resistor.

(h) Calculate the current in the 3.00-Ω resistor.

Figure P18.10

blueworm505

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Consider the circuit shown in Figure P18.10. (a) Calculate the equivalent resistance of the 10.0-Ω and 5.00-Ω resistors connected in parallel. (b) Using the result of part (a), calculate the combined resistance of the 10.0-Ω, 5.00-Ω, and 4.00-Ω resistors. (c) Calculate the equivalent resistance of the combined resistance found in part (b) and the parallel 3.00-Ω resistor. (d) Combine the equivalent resistance found in part (c) with the 2.00-Ω resistor. (e) Calculate the total current in the circuit. (f) What is the voltage drop across the 2.00-Ω resistor? (g) Subtracting the result of part (f) from the battery voltage, find the voltage across the 3.00-Ω resistor. (h) Calculate the current in the 3.00-Ω resistor.