For the circuits of Fig. 1.P2, use circuit reduction and superposition to deter mine the current through each of the resistors. What is the power delivered by each of the sources? (b) 4k 2k 5k 2k 1mA 1k 5V 6V 8k 10V 3k 4k ww 2k ww 3k
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- Three resistors, R₁ = 232, R₂=3502, and R,=4552, are connected to a capacitor of capacitance C=32μF and a battery with emf 8=14V as shown in the figure below. The capacitor is initially uncharged when the switch is closed at t-0. Determine the current running on R, on the capacitor at r=0. Express your answer in units mA using zero decimal places. S w ++ R₁ www C ww R3Consider the circuit shown below, with a battery of emf E = 20. V, and resistors R1 = 2.0 Ω, R2 = 5.0 Ω, R3 = 4.0 Ω, and R4 = 12 Ω. In this problem, give your answers to two significant figures a) What is the equivalent resistance of this set of resistors, in ohms? b) How much current Ibat flows through the battery, in amperes? c) How much current I1 flows through resistor R1, in amperes?For each of the three simple circuit boards you will need to calculate the total resistance Reg for the entire circuit board by using the measured resistances of each of the resistors, and the equations given to you in the theory section. Then using the applied voltage of 2V, as the theoretical voltage Vth for the entire circuit board you can calculate the theoretical current, ith, for the entire circuit board. Table 1(Resistors in series) R(Q) 310 10 100 200 Req 10Ω 1000 200Ω iex(A) 0.0074 0.0064 0.068 0.0064 0.650 0.0064 1.283 Using the equations for resistors in series calculate the theoretical voltages, and currents for each of the resistors, and the entire circuit. Use the measured values of the resistance in your calculations. Then calculate the % errors. Show work. Vex(V) 2.006 ith(A) Vth(V) % Error i % Error V
- A student performs a lab where the voltagedrop across a resistor is measured as a functionof current. Plot a graph from the values givenin the following table, and determine theresistance of the circuit. Current, I (mA) Potential Difference, Current, I (mA)V (V)0.00 0.00200 9.00400 16.0600 24.0800 31.01000 40.0A toaster oven is rated at 1900 WW for operation at 120 VV, 60 HzHz. Part A What is the resistance of the oven heater element? Express your answer with the appropriate units. Part B What is the peak current through it? Express your answer with the appropriate units. Part C What is the peak power dissipated by the oven? Express your answer with the appropriate units.Which of the following is a formula for the power dissipated by a resistor? Let V be the voltage across the resistor, / be the current through the resistor, and R is the value of the resistance of the resistor. PIR V/R O PR
- In the circuit of (Figure 1), each resistor represents a light bulb. Let R1=R2=R3=R4=R1=R2=R3=R4= 4.48 ΩΩ and let the EMF be 9.00 V. Find the current in the bulb R2. Express your answer in amperesA 120 volt household circuit has a 20 amp circuit breaker (maximum). A 600-Watt heater and a 60 ohm light are connected to this source in parallel: A) What is the current through the 60 ohm light? B) What is the resistance of the 600-Watt heater? C) What is the minimum resistance R which could be used in parallel as a third appliance without tripping the 20 amp circuit breaker?The figure shows a resistor of resistance R = 6.102 connected to an ideal battery of emf 8 = 15.4 V by means of two copper wires. Each wire has length 21.4 cm and radius 2.20 mm. In dealing with such circuits in this chapter, we generally neglect the potential differences along the wires and the transfer of energy to thermal energy in them. Check the validity of this neglect for the circuit of the figure below. What is the potential difference across (a) the resistor and (b) each of the two sections of wire? At what rate is energy lost to thermal energy in (c) the resistor and (d) each section of wire? 8=1 Wire 1 R Wire 2