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- 20. Consider the circuit below. 12V 2Ω a b I3 | 12 8V а. Use Kirchhoff's junction rule to write an equation for the currents labeled in the circuit. b. Use Kirchhoff's loop rule twice and your Algebra I skills to solve for each current in the circuit.10. a circuit consisting of a battery with an emt of 12V, a vesistor with a resistance of 1.2h2, a capacitor with a capacitance of 0.05F, and another capacitor with a capacitance of 0.2F are all connected in series with a switch. Initially, both capacitors are empty. When the switch is closed, a) now long will it take each capacitor to reach a charge of V. 2880? b) at that time, what is the current through the resistor? c) at that time, what are the potentials across the resistor and each capacitor?What is the voltage drop across R in the circuit below if the shown resistances have the following values: R1=10 N R2=10 N R3=10 N and the voltage provided by the voltage source is 13 volts. R1 R2 R3 adap fo V
- 2. An RC circuit with a 1-0 resistor and a 0.000001-F capacitor is driven by a voltage E (t) = sin 100 t V. If the initial capacitor voltage is zero, determine the subsequent resistor and capacitor voltages and the current.a) If the current in this circuit is 3 A, what must be the value of R3? b) What is the voltage drop across the 2 ohm resistor? c) What is the voltage drop across the 3 ohm resistor. d) What is the power used in the circuit in amps?Four resistors, R, = 12 0, R2 = 15 N, R3 = series combination of R, and R2 is connected in parallel with the series combination of R3 and R4. The combination is then connected across a 12 V DC power supply. 10 N and R4 80 are connected such that the %3D %3D A. Draw the schematic diagram and label the circuit elements. B. Calculate the equivalent resistance of the circuit. C. Find the total current of the circuit, the voltage across each resistor and the current through each resistor.
- The time constant in an RC circuit is the time it takes a. so that the current drops to zero. b. so that the current reaches its maximum value c. so that the capacitor is fully charged. d. in which the current decreases to 37% of its initial value.3. Write down the equation for V for this RC circuit and describe the relationship between the variables. For example, if C remains constant and R is larger, the potential difference changes (faster/slower/stays the same). 4. Write another sentence for V vs. C if R remains constant and C is increased.Circuit Problem: Express each labelled voltage and current (e.g., vx, ix) in terms of the resistances and source currents and voltages (e.g., R0).