* You have a circuit with a 50-2, a 100-n, and a 150- resistor, and a battery connected i series. (a) Rank the current through them from highest to lowest. (b) Rank the potential difference across them from highest to lowest. Explain your rankings.
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- Problem 8: Consider a circuit shown in the figure. Ignore the internal resistances of the batteries. A) Express the current I1 going through resistor R1 in terms of the currents I2 and I3 going through resistors R2 and R3. Use the direction of the currents as specified in the figure. B) Write the equation of potential change in loop EBAF in terms of the circuit elements. C) Write the equation of potential change in loop DCAF in terms of the circuit elements. D) Solve the three equations to get I3 as expression NOT a numerial value*Chapter 32, Problem 018 GO 7Your answer is partially correct. Try again. The circuit in the figure consists of switch S, a 4.60 V ideal battery, a 25.0 MS2 resistor, and an airfilled capacitor. The capacitor has parallel circular plates of radius 5.30 cm, separated by 4.00 mm. At time t = 0, switch S is closed to begin charging the capacitor. The electric field between the plates is uniform. At t = 260 ps, what is the magnitude of the magnetic field within the capacitor, at radial distance 2.50 cm? R. NumberT7.475 Units the tolerance is +/-5%Which of the following statements is not true regarding the arrangement of resistors shown in the picture below? R4 E =? R2 R3 R1 Resistors R2 and R3 are connected in series. Resistor R2 is connected in parallel with resistor R1. Resistor R4 is in series with all the other resistors combined.
- Consider the circuit below. The battery has emf 80.0 V, R1=40 ohms, R2= 20 ohms and L= 5.0 mH. Initially the switch is open and no currents are flowing. What is the current through the battery immediately after the switch is closed? a) zero b) 1.3 A c) 2.0 A3. From the figure above, a switch is closed at time t = 0, allowing the capacitor to begin charging. The capacitance of the capacitor is given a value of C = 10 µF with a resistor of resistance R= 10 2. At what time is the potential across the capacitor equal to the potential across the resistor?15 A defibrillator passes a brief burst of current through the heart to restore normal beating. In one such defibrillator, a 42.7-μF capacitor is charged to 5.90 kV. Paddles are used to make an electric connection to the patient’s chest. A pulse of current lasting 1.00 ms partially discharges the capacitor through the patient. The electrical resistance of the patient (from paddle to paddle) is 240 Ω. How much energy is dissipated in the patient during the 1.00 ms? _____J
- Determine the currents through the resistors, R2, R5, R6, and R7 in the set of junctions and branches shown in the figure, where I = 19.0 A, I3 = 2.4 A, and I4 = 8.2 A. Hint: Use Kirchhoff's junction rule; be sure to consider the branches where a current is shown, and assume the branches that appear disconnected are connected to other parts of the circuit. I2 = A I5 = I6 = A I7 = A R1 R2 R3 R4 R6 R7Hi! I've submitted this question a few times, and I keep getting a different answer, so I just want to see one more person's perspective. Thank you!In the circuit in the following figure the two capacitors are initially charged at 45.0 V. (a) How long after closing the S switch the potential through each capacitor will be reduced to 10.0 V? (b) At that time, what will be the value of the current?
- A new battery with an unknown emf is inserted to connectpoints A and B. The result is that the current through ??1 is reduced to half of its previous value but still flows in the same direction With this new battery in place, find the current through resistor ?2.Your car battery is dead, and your friends are helping you start your car with cheap jumper cables. One cable carries current from their car to your car, and a second cable returns that current to their car. As you try to start your car, a current of 80.0 A flows through the cables to your car and back, and a voltage drop of 6.00 V appears across each cable. If you replace the cheap cables with cables having half their electric resistance, what voltage drop will appear across each new cable if the current doesn't change? AV= i*Chapter 32, Problem 018 GO Your answer is partially correct. Try again. The circuit in the figure consists of switch S, a 4.60 V ideal battery, a 25.0 MS2 resistor, and an airfilled capacitor. The capacitor has parallel circular plates of radius 5.30 cm, separated by 4.00 mm. At time t = 0, switch S is closed to begin charging the capacitor. The electric field between the plates is uniform. At t = 260 ps, what is the magnitude of the magnetic fleld within the capacitor, at radial distance 2.50 cm? R Number [0.000000000000029578 Units h