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- (a) How much average power is dissipated in a short circuit of 232 V AC through a resistance of 0.180 Ω? (b) What current flows?A 1.00-MQ voltmeter is placed in parallel with a 75.0-kQ resistor in a circuit. If the current through the combination is kept the same as it was through the 75.0-kQ resistor alone, what is the percentage decrease in voltage?Compute for the voltage Vac in the circuit shown below.
- A series circuit has a resistance R = 5 Ohms, and a capacitance C = 0.05 Farad. The battery gives a constant voltage of E = 60 Volts. If the initial charge Q(0) = 0 Coulomb, determine the charge Q and current I at any time t. (Note: I=dQ/dt)The current in a single-loop circuit with one resistance R is 6.6 A. When an additional resistance of 2.7 Ω is inserted in series with R, the current drops to 3.30 A. What is R?= 18 V Rc Red 91 k RE YBE 1,1 kn 11kl 82 ß = 90 will keep the collector voltage at 12 volts with respect to ground in the círcuít în the figure. Colculate the value of the Rc resistance that
- A 10-Ω resistance is connected in series with two resistances in parallelof 7.5-Ω and R. What is the ohmic value of R if the total current drawnfrom a 20-V dc source is 1.5 A?If the external source has an emf of +6.0 V and the electrolytic cell is 65% efcient, how much electrical power is expended to electroplate the bumper?Ver +12 V R, 33 k2 R. 2.0 k2 C, Boc = 200 R, 6,8 k2 2680 2 Figure 1 Refer to Figure 1. The ac emitter resistance, re', is approximately (1 Point) 680 0 80 25 0 13 ww-
- Compute for the voltage Vbc in the circuit shown below.The current in a single-loop circuit with one resistance R is 5.0 A.When an additional resistance of 2.0 is inserted in series with R, the current drops to 4.0 A.What is R?21 V, L 0, S2 is closed and S1 is opened. Determine (a) the current through L at For the circuit shown below, ɛ Si closed and S2 open, at t t = 0, (b) the current through L at t t = 3 x 10-4 4.5 mH, and R = 4N. After steady state is reached with 3 x 10 s, (c) the voltage across R on the right at s, and (d) the rate at which current through L changes att = 3 x 10-4 s. R E .R Hint a. The current through L at t = 0 is 5.25 A. Additional Hints for (a) .4 b. The current through L at t = 3 x 10 s is 4.0211 A. Additional Hints for (b) - 4 c. The voltage across R att 3 x 10 s is 16.17 V. Additional Hints for (c) d. The rate at which current through L changes at t = 3 × 10° s is A/s. Additional Hints for (d). 0000