Q. 10: In of (R) is (a) 1.Q 3.Q (c) de circuit shown in figure, the value (CET-2003) (b) 20 (d) 4Ω
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- how would u do C23-25 and B of number 99? this is a non graded practice assiFor the circuit shown in the Figure, a 5.0A current is measured coming from the 60.0V EMF E. Find R and the current through the 3R resistor. Hint: find the equivalent resistance. R 2R m 3R www R ww R 15.0A 5.0 A 60 VThe diagram below shows a RC circuit which consists of one capacitor and two identical light bulbs. The resistance of each light bulb is 20 O and the circuit is driven by an ideal emf device with & = 12 Volts. The switch is closed at t = 0. (a) In class, I said the following: "At t = 0, an uncharged capacitor acts as an electrical short and may be conceptually replaced by an ideal wire ". Apply this idea and compare the brightness of each bulb at t =0 right after the switch is closed. (b) In class, I said the following: "If you wait for a long time, the capacitor is fully charged and the current through the branch of the circuit that contains C is zero". Apply this idea to this circuit and determnine if the current through the emf device after a long time is also zero. Please explain. (c) If you wait for a long time, is the brightness of bulb A greater than, less than, or equal to the bright- ness of bulb B? Switch Capacitor Bulb B Bulb A ww- 98% 田 %23
- Consider the multi loop circuit shown in Figure 9. Directions of the currents and the numerical values of electromotive forces and resistances given on the Figure 3. Calculate the total power delivered by batteries. Is the energy conservation valid (satisfied)? €,18 V 6 2.0 V R1.0n BR,- 6.0n R, 4.0n wwwa) 17. Consider the process of discharging capacitor C through a resistor R. Refer to the Figure below. Using Kirchoff's loop rule, write down the (differential) equation relating the current / in the circuit and the charge Q on the capacitor. Note: The solution to the equation in Question (3a) for the initial condition Q(0) = Qo is given by b) c) Q(t) Que-t/RC = How much time does it take to discharge the capacitor R completely, represent your answer with a sketch of the plot of the capacitor's charge Q as a function of time t. How much time does it take to discharge the capacitor to half of the maximum value? Given C=10.0 uF, R= 30.0 k2, and Qo = 150 μC.please answer vvv
- In the circuit given below, R=90. Find the current i. 82 ww ww 4 A ww 30 V (+ R The value of i in the circuit is A.In the circuit diagram shown in figure, R=102, L=5H, E = 20 V, i = 2 A. This current is decreasing at a rate of -1.0 A/s. Find Vab at this instant. a R ww M L ooooooo E bIn the following circuit find: a) All of the currents and voltages. b) The power dissipated in the 47 kΩ resistor.
- What is the smallest possible value this resistor could be? ohms.Consider the circuit shown below. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) R2 = 48 k. R, = 16 kM R1 = 16 kN V, = 36 V %3D V, = 18 V R4 = 16 kN R5 = 16 kN (a) Find the voltage across each resistor (in V). V = V VRZ V VR3 VRA V VRSTwo batteries with emf &₁ and E2, with internal resistances ₁ and ₂ respectively, are connected as shown in the diagram below. (Assume ₁ = 12 V and r₁=1 N.) | www (a) Calculate the magnitude and indicate the direction of flow of current in the figure shown above. E₂ = 33.0 V and r₂ = 0.65 0. 60 X What is the net voltage when the two batteries are connected in opposition to each other? What is the net internal resistance of this circuit? A counterclockwise magnitude direction (b) Find the terminal voltage of each battery. V₁ = 48 X What is the sign of the current if it is flowing into the positive terminal of the battery? V V₂ = 6 X What is the sign of the current if it is flowing into the positive terminal of the battery? V