2. A resistance of 1000 2 and 2000 2 are placed in series with a 100 V main supply. What will be the reading on a voltmeter of internal resistance 2000 2 when placed across each resistor?
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- Consider the circuit below. The battery has an emf of = 30.00 V and an internal resistance of r = 1,00 . (a) Find the equivalent resistance of the circuit and the current out of the battery. (b) Find the current through each resistor, (c) Find die potential drop across each resistor, (d) Find the power dissipated by each resistor, (e) Find the total power supplied by the batteries.A homemade capacitor is constructed of 2 sheets of aluminum foil with an area of 2.00 square meters, separated by paper, 0.05 mm thick, of the same area and a dielectric constant of 3.7. The homemade capacitor is connected in series with a 100,00- resistor, a switch, and a 6.00-V voltage source, (a) What is the RC time constant of the circuit? (b) What is the initial current through the circuit, when the switch is closed? (c) How long does it take the current to reach one third of its initial value?(a) What is the internal resistance of a voltage source if its terminal voltage drops by 2.00 V when the current supplied increases by 5.00 A? (b) Can the emf of the voltage source be found with the information supplied?
- A 100uf capacitor and a 3.6kohms resistor are connected in series. How long will it take for the capacitor to change its charge completely?Given the equation, V = Voe RC. , what size of resistor would be required to dirop the voltage on a 120mFapacitor to its original valtage in 5 min? Select one Oa R= 1.5 k2 Ob. R= 1.8 kS2 O. R= 1.7 k S O d. R= 1.6 k S2Resistors, 10 ohms and 15 ohms, are connected in series. The power being consumed by the 10-ohm resistor is 22.5 watts. Determine the following: a. the value of the voltage source energizing the circuit; b. the power being dissipated by the 15-ohm resistor if the two resistors were to be connected in parallel using the same source;
- Given the equation, V =Vne RC. of resistor would be required to drop the voltage on a 250µF capacitor to its original voltage in 2 min.? Select one: a. R= 470 k b. R= 450 k R = 460 k2 O c. O d. R= 440k2A 0.20-ΩF capacitor is to be charged through a resistor so that it becomes 63 percent charged in0.10 s. What should the resistance of the capacitor be?7. A simple RC circuit consists of a 1-]F capacitor in series with a 2800-0 resistor, a 6-V battery, and an open switch. Initially, the capacitor is uncharged. How long after the switch is closed will the voltage across the capacitor be 4.1 V?
- q7When resistors R, and R, are connected in parallel each resistor dissipate 100 W and 75 W, respectively across a 100 V source. If the two resistors are reconnected in series across a 150 V source, what is the total power in the series connection? O A. 12.2187 w O B. 175 w OC. 96.4289 w O D. 131.3215 w1. A circuit containing six resistors is connected to a battery with emf equal to 35 V and zero internal resistance as shown in Figure. a) What is the current in the circuit (current passing through the battery)? b) What is the voltage across 30 22 resistor? c) What is the current through 10 resistor? 555 25.02 10.12 30 www + ISL 35V 2012