Rint=? I un M R3 3R₂ M
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Recall that a real battery can be modeled as an ideal emf source connected in series to an 'internal' resistor. The circuit below contains such a real battery and three ohmic resistors.
All labeled quantities except the internal resistance Rint are known.
Known quantities: E, I, R1, R2, R3
What is the internal resistance of the battery, Rint? Your answer will be in terms of the known quantities. Show all work. (Hint: Equivalent resistance can help.)
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- Consider ten 295 Ω resistors connected together. A.) What would be their resistance, Rs, in kilohms, if they were connected in series? B.) What would be their resistance, Rp, in ohms, if they were connected in parallel?Consider the circuit below with ϵ=6.80 V. Find the potential change across each of the four resistors. Make sure to show all work.FIND JUST D. A,B,C have already been found The current in the figure below is 0.72 A. (Let the internal resistance of battery 1 be r1 = 1.2 Ω and the internal resistance of battery 2 be r2 = 1.2 Ω.) (a) Find the voltage drop Vab. 1.272 V(b) Find the power dissipated in R. 0.9158 W (c) Find the useful electric power supplied by battery 2. (Note: Do not forget the internal resistance of battery 2.) 5.857 W(d) Find the rate at which chemical energy is stored in battery 1. (Note: Do not include power dissipated in the internal resistor of battery 1 in your answer.)
- Please asapDetermine the magnitudes and directions of the currents in each resistor shown in the figure. The batteries have emfs of & = 9.2 V and E = 11.8 V and the resistors have values of R1 = 32 2. R2 = 30 2. and R = 33 2. (Figure 1) Figure 1 of 1> R2 R3 wwFor the circuit below. Hint: First determine the current flowing into each resistor. The current flowing into R1=9mA-5mA. Then use the fact that voltage loss is equal across all parallel branches to solve for the missing resistances. ΔV1=ΔV2, R1I1=R2I2 Determine R1. (enter units as kΩ) Determine R3 (enter units as kΩ)
- Two resistors, R, and R,, are connected in series. HINT (a) If R, = 4.22 Q and R, = 6.57 Q, calculate the single resistance equivalent (in Q) to the series combination. Ω (b) Repeat the calculation for a parallel combination of R, and R,. (Enter your answer in 0.) Ω Need Help? Read It Watch ItPlease show all work: In the circuit diagram image, V1=12V, V2=10V, R1=10Ω, and R2=20Ω. Calculate the current flowing in each resistor. What is the current flowing from the 12-V battery. Indicate its direction.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.
- Please answer each part (A-D)In the circuit below, if resistor R₁=46.30, and resistor R₂-56.05, what is the equivalent resistance of this circuit in units of Ohms (N)? High potential I R1 R₂ 12 I + Low potential Note: It is understood that the unit of your answer is in Ohms (), however do not explicitly include units in your answer. Enter only a number. If you do enter a unit, your answer will be counted wrong.