The resistors in the circuit below have the following values: R, = 7.10 N, R, = 7.00 N, and R, = 3.70 N. The two batteries each have a voltage of 5.0 v. R3 (a) Find the current in through R3. A. (b) How much power do the batteries deliver to R,?
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- What is the power rating of a stove that receives 12.5 A of current and requires 150 V to function? a. 12 W b. 1.9 x 10³J c. 12 J d. 1.9 x 10³ W e. 150 WConsider the circuit shown in the figure below, where R, = 8.00 N, R, = 7.00 N, and Ɛ = 11.0 V. %3D 10.0 N R2 5.00 N 2.00 N R1 (a) Find the voltage (in V) across R,. V (b) Find the current (in A) in R,. AA 6 V battery is connected in series with a 3Ω, a 2Ω an a 1Ω resistor. The voltage across the 2Ω resistor is? a. 2V b. 3V C. 6V
- A geological core sample is taken at a coal mine. The sample is a cylinder 20.7 feet long and 5.25 inches in diameter. The geologists run electric current through the sample to find its resistivity, which can be used to determine the quality of the coal. A voltage of 5030 V (5.03 × 103 V) is found to produce 11.4 mA of current through the sample. a. What is the resistance in the coal sample? b. What is the resistivity of the sample?Consider the following circuit diagram. The potential difference across the battery is 40.0 volts, and it supplies a current of 5.00 amperes to the circuit. There is a current of of 2.70 amperes flowing through R1. Resistor R2 has a resistance of 5.50 ohms. What is the resistance of R3? Answer in ohms to two decimal places, but do not include units in your answer.In the circuit shown, the potential difference VA = VB = 46.0 V and the resistance R1 = R2 = R3 = R4 = 155 Ohms. The arrows for currents IA and IB indicate the direction of positive current flow. The arrows do not necessarily indicate the direction that the current flows. Find IA Find IB