Problem 6: Consider the circuit in the diagram, with sources of emf listed below. mized Variables 0.10 2 5 V R, 5.0 QS S202 R .5 V a e 0.50 2 40 Q 5 V 20.20 2 R 78 Ω. E3 E4
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Find the three currents--I1, I2, and I3--in amps.
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- Two conducting wires A and B of the same length and radius are connected across the same potential difference. Conductor A has twice the resistivity of conductor B. What is the ratio of the power delivered to A to the power delivered to B? (a) 2 (b) 2 (c) 1 (d) 12 (e)12The current, I, is 2A through R2=4Ω and V1=6.00V. Determine the current through R1 =2Ω and R3=5Ω and the voltage V2 for the given circuit.Compute for the total energy of the entire circuit. Select one: a. 128.42 micro Joules b. 352.12 micro Joules c. 273.56 micro Joules d. 478.08 micro Joules
- Consider the circuit in the diagram, with sources of emf listed below.Randomized Variablesℰ1 = 25 Vℰ2 = 46 Vℰ3 = 2.5 Vℰ4 = 31 V a.) Find I1 in amps. b.) Find I2 in amps. c.) Find I3 in amps.Consider the circuit in the diagram, with sources of emf listed below: Randomized Variablesℰ1 = 21 Vℰ2 = 46 Vℰ3 = 5.5 Vℰ4 = 43 V a. Find I1 in amps. b. Find I2 in amps. c. Find I3 in amps.In the circuit below, R1 = 1 Ω, R2 = 2 Ω, R3 = 3 Ω. Which resistor/s carry(ies) the greatestcurrent? Choices: R1.R3.R1 and R2.R1, R2, and R3.
- The 100-bulb strand of incandescent Christmas lights is rated at 40.8W of power. When stacked, two strands consume twice the power (81.6W =2 x 40.8W) and act as two resistors in parallel to a 120V source. If the 120V source is safe guarded by a 15A circuit breaker, and the 15A circuit breaker will actually "trip" (open up) at 80% its rating (which is often the case in the real world!), how many strands can be run at the same time without tripping the circuit breaker? If you use 100-bulb strands of LED Christmas lights instead, how many strands can you run at the same time? Assume LEDs run at 1/10th the power of incandescent bulbs.Consider the circuit shown with E1= 6.0V,E2=12V, R1=100Ω, R2=200Ω and R3=300Ω. One point of the circuit is grounded (V=0). What is the electric potential at point A and the direction of current in R1?A. 1.91 V, upwardB. 1.91 V, downwardC. 3.82 V, upwardD. 3.82 V, downwardIn the circuit in the figure, two identical parallel metallic plates are connected to a 100V battery by an identical metallic spring. In the open state, the plates are unloaded, the span d = 4mm and the surface of one plate is 1778 m ^ 2. When the switch is turned off, the distance between the plates is reduced by 0.5 times. What is the spring constant of each spring in units of Newton / meter?
- A 250V 125 amp, class H fuse will look identical to a 250 V 200 amp class H fuse true or false?For the circuit shown in Fig.1 below, C1 = 5μF, C2 = 4μF, C3 = 6μF and ∆V = 65V. Find:(a) the equivalent capacitance, (b) the charge on each capacitor and (c) the potential differenceacross each capacitor.Figure 1: Problem 2.Problem 3For the circuit shown in Fig.2 below, determine the resistance R such that the current in R is0.50 A, with the sense from a to b.Figure 2: Problem 2.Problem 4A straight wire of length 0.40 m, carrying current I = 7.0 A is oriented at angle θ = 27◦ toa uniform magnetic field B = 1.2 T. The field is in the positive x-direction. Determine themagnitude and direction of the magnetic force on the wire.1In the figure, suppose the switch has been closed for a length of time sufficiently long for the capacitor to become fully charged. For this circuit, R1 = 12.0 kΩ, R2 = 15.0 kΩ, R3 = 3.000 kΩ, C = 10.0 μF , and emf = 9.00 V. Find (d) the potential differance across R2. (e) the charge on the capacitor.