A 12 V battery has an internal resistance of 3 N. It is connected in series with a 6 resistor and in series with a parallel pair of resistors, 4 and 12 N. a) Sketch this circuit. b) Calculate the current and the voltage across the battery terminals.

Figure P18.26 shows a voltage divider, a circuit used to obtain a desired voltage Vout from a source voltage . Determine the required value of R2 if = 5.00 V, Vout = 1.50 V and R1 = 1.00 103 (Hint: Use Kirchhoff's loop rule, substituting Vout = IR2, to find the current. Then solve Ohms law for R2. Figure P18.26

When resistors with different resistances are connected in parallel, which of the following must be the same for each resistor? Choose all correct answers, (a) potential difference (b) current (c) power delivered (d) charge entering each resistor in a given time interval (e) none of those answers

Let us consider a simple circuit where two resistors R1 = 5 Q and R2 = 10 2 are connected in series with a battery. The voltage across resistor Rị is equal to 4 V. a) Find the current passing through resistor R2. b) The voltage across the same resistor. c) Power dissipated through resistors RỊ and R2. d) Show the graphically changes in PD across the circuit.

Two capacitors of Q1 = 5.0 μF and Q2 = 6.0 μF are connected in parallel. These capacitors are connected in series with a Q3 = 7.0 μF capacitor across a 220 V. A) Draw a circuit for this configuration. B) Find the charge stored in each capacitor

a) Draw a circuit diagram for a circuit that uses the given resistors and capacitors and satisfies the instructor’s criteria for the circuit. b)   How long does it take the capacitors in this circuit to charge to 50.0% of their maximum capacity?

A battery connected in the circuit given below has an emf of 20.0 V and an internal resistance of 23.6 milli-ohm. The current flowing through the circuit is 7.75 A.a) Find the resistance R in the circuit. b) Find  the voltage across R. c) What is the current across r? d) What is the terminal voltage (potential difference) across the terminals of the battery?

1. A circuit containing six resistors is connected to a battery with emf equal to 24 V and zero internal resistance as shown in Figure. a) What is the current in the circuit (current passing through the battery)? b) What is the voltage across 8.02 resistor? c) What is the current through 5.0 2 resistor? -www- R₂=8_2 R=Tes R₁₂=612 24V R₂=2_2 -mu R₁₂=5₁ -mu R₂=20_12

a. A resistor of 3.6 ohms is connected in series with another of 4.56 ohms. What resistance must be placed across 3.6 ohms so that the total resistance of the circuit shall be 6 ohms? b. A circuit consists of three resistors of 3 ohms, 4 ohms and 6 ohms in parallel and a fourth resistor of 4 ohms in series. A battery of e.m.f. 12 V and internal resistance (in series with the battery e.m.f.) 6 ohms is connected across the circuit. Find the total current in the circuit and terminal voltage across the battery.

Four capacitors are arranged in the circuit shown in the figure. The capacitors have the values C 3 26.5 иF, С2 — 45.5 pF, C3 = 50.5 µF, and C4 40.5 µF, and the power supply is at %3D voltage V = 19.5 V. C, What is the equivalent capacitance of the circuit? V equivalent capacitance: 14.14 µF What is the charge on capacitor C2? 4.03 x10-4 charge on C2: C Incorrect What is the potential difference across capacitor C3? potential difference across C3: V Incorrect What is the potential energy stored in capacitor C4 ? potential energy stored in C4: J Incorrect