1. In the circuits shown in Figure below, the batteries have negligible internal resistance. Find (a)the current in each branch of the circuit, (b) the potential difference between point a and point b,(c) the power supplied by each battery.70V120v6.00120500 V10023.0002. In the circuit shown in Figure bellow, the capacitor has a capacitance of 2.5 µFand the resistorhas a resistance of 0.5 M. Before the switch is closed, the potential drop across the capacitor is12V, as shown. Switch S is closed at t=0. (a) What is the current in R immediately after switch Sis closed? (b) At what time t is the voltage across the capacitor24 V?3. Two batteries with emfs 1 and 5 2 and internal resistances r, and ra are connected in parallel.Prove that if a resistor is connected in parallel with this combination the optimal load resistance(the resistance at which maximum power is delivered) is R=rir/(ri+r2).4. Capacitors Ci and C2 are connected in parallel by a resistor and two switches, as shown in Figure.Capacitor C, is initially charged to a voltage Vo, and capacitor C, is uncharged. The switches S,and S2 are then closed. (a) What are the final charges on C, and C,? (b) Compare the initial andfinal stored energies of the system. (c) What caused the decrease in the capacitor-stored energy?

For the first circuit; Let current in the left loop be I1 and current in the right loop be I2 both…

1. In the circuits shown in Figure below, the batteries have negligible internal resistance. Find (a) the current in each branch of the circuit, (b) the potential difference between point a and point b, (c) the power supplied by each battery. 120v 500 V 3000

1. In the circuits shown in Figure below, the batteries have negligible internal resistance. Find (a) the current in each branch of the circuit, (b) the potential difference between point a and point b, (c) the power supplied by each battery. 120v 500 V 3000

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Direct-current Circuits

Section: Chapter Questions

Problem 34AP: The circuit in Figure P27.34a consists of three resistors and one battery with no internal...

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