f you have 7 total 100-W light bulbs in a parallel circuit in your basement and you leave them on for 2.5 days, how much energy (in kilowatt hours) would be used?   25.2 kWh   42 kWh   1050 kWh   3520 kWh   25200kWh

Q: 82. The diagram shows a potentiometer circuit. The contact T is placed on the wire and moved along…

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Q: a 20-ohm resistor is connected in parallel with a variable resistor R. the parallel combination is…

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Q: the figure, the total resistance is 16.0 kΩ , and the battery's emf is 28.0 V . The time constant is…

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Q: dry cell when short-circuited will furnish about 30 amperes for a brief time. If its emf is 1.5…

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Q: The switch in this circuit has been closed for a long time; eventually the charge on the capacitor…

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Q: Suppose a power supply has an emf of 22 Volt and an internal resistance of 3 Ohm. The total maximum…

A: Given  Emf = 22 volts  =V Internal resistance = 3 ohm  =r Total power delivered in the circuit  Let…

Q: A series circuit is comprised of a 200VDC battery, a switch, a 1 MΩ resistor and a 10 µF capacitor.…

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Q: The circuit contains three resistors, A, B, and C, which have equal resistances. epsilon = 110V.…

A: Say value of each resistor is R Resistor A and B are in series therefore there equivalent will be 2R…

Q: A 1400 W refrigerator, a 1500 W electric frying pan, and a 200 W lamp are plugged into the same…

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Q: When we turned off the T.V. , the light bulbs don't stop working. When we turned off the lights ,…

A: In household electrical circuit, all electical appliances are connected in parallel combination. All…

Q: Given four resistors R1 = 100 ohms, R2=250 ohms, R3 = 350 ohms, and R4 = 200 ohms such that R1 and…

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Q: What happens when you add a second bulb to a series circuit? a. The second bulb will be as bright…

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Q: The circuit in the figure below contains two resistors, R, = 2.10 kn and R, = 2.60 kn, and two…

A: eqivalent resistance of two resistors in series is given by  Req=R1R2R1+R2........(1) equivalent…

Q: the total resistance is 30.0 kΩ and the circuit is connected to a 24.0 V. The value of the time…

A: Assuming the circuit as series RC circuit. Time constant for series RC circuit may be defined  as…

Q: 2) The figure shows three identical lightbulbs connected to a battery having a constant voltage…

A: We have 3 light bulbs where bulbs 2 and 3 are parallel and their combination is in series with bulb…

Q: A color television set draws about 2.5 A when connected to a 120-V source. What is the cost (with…

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Q: 7.) Suppose 10 mA of current is flowing through an electrical circuit.  How many Amperes are flowing…

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Q: ει 0.10 Ω R, 5.0 Ω E2, R 20 Ω R a 0.50 Ω 40 Ω 0.20 Ω R 78 Ω E4 E3 1 0.05 Ω h

A: Given: E1 = 21V E2 = 46V E3 = 5.5V E4 = 43V I1 = -0.42Amp. Applying Kirchhoff law of junction for…

Q: For the circuit shown below, determine the power consumed by battery 1's internal resistance.…

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Q: An electrician wishes to cut a silver wire (ρ = 1.59×10-8 Ωm) that has 2.0Ω of resistance. The wire…

A: Given,Resistivity of the silver wire, ρ = 1.59 ×10-8 Ωmradius of the cross section of the wire, r =…

Q: R1 TE R3 ww R2 The values of the resistors in this circuit are: R1 = 5 ohms R2 = 3 ohms R3 = 7 ohms…

A: Given: Power, P2 =12 W Required: current through R3

Q: The circuit in figure consists of two identical parallel metal plates connecte identical metal…

A: Let c1 = 2 uF, as initial capacitance is not provided in the question

Q: A series circuit is comprised of a 200VDC battery, a switch, a 1 kΩ resistor and a 10000 µF…

A: A series circuit is comprised of a 200VDC battery, a switch, a 1 kΩ resistor and a 10000 µF…

Q: The figure below shows a circuit with an open switch, an emf device, E = 11 V, and a resistor, R =…

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Q: A  15Volts battery produces 4 Ampere of current in the circuit. The electrical power is measured to…

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Q: circuit with a battery 8.7V,  a resister with 31.2 ohm, and an uncharfed 2.1 uF capacitor in series…

A: Battery voltage 8.7v Resistance 31.2 ohms

Q: Find the voltage drop across 180 resistor if the source of the circuit is 12.5volts. Submit solution…

A: in this question we determine voltage across 18 ohm resistance.

Q: An 1470 W toaster and an 903 W microwave oven are connected in parallel to the same 15.0 A, 120 V…

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Q: Which of the following statements is NOT true concerning the simple circuit shown below where the…

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Q: 9. What power is dissipated in resistor RL in the circuit below? Answer: 11.52mW R1 R3 1k2 1k2 V1 6V…

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Q: Suppose a power supply has an emf of 60 Volt and an internal resistance of 20 Ohm. The maximum power…

A: Given : Emf = 60 Volt Internal resistance = 20  Ω Let external resistance = R

Q: Your car's 30.0 W headlight and 2.40 kW starter are ordinarily connected in parallel in a 12.0 V…

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Q: 18. The light bulb in this circuit has a resistance of 12. 2 a. What are the values of: E3 V AV12…

A: Given, Voltage of battery,V=3 V Resistance of resistor,R1=2Ω Resistance of bulb,R2=1 Ω

Q: A computer monitor uses 2.0 A of current when it is plugged into a 120 V outlet. The monitor is…

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Q: What power is dissipated in a circuit through which 0.12 A flows across a potential drop of 3.0 V?…

A: The power dissipated in a circuit is given by: P= VIV = potential differenceI = currentgiven:V = 3VI…

Q: I have an RL circuit driven by 25 V battery with R=5 ohm, L = 4H. The current is ) at t=0. Find the…

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Q: 34. You put 9.0V DC across resistor R. and measure the current through it. With the same voltage…

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Q: What is the emf of the battery?

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Q: A small generating station produces 120 kW of effective power that is transmitted by two wires, each…

A: A small generating station produces 120 kW of effective power that is transmitted by two wires, each…

Q: If the emf is €=28V, R1=3 ohm, R2=6 ohm and R3= 12ohm in the circuit given in the figure, find the…

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Q: 18. A 6V battery having an internal resistance 60 is connected to a load resistor. The current…

A: Answer:)(18) terminal voltage  VT=(voltage of battery)-(volt. drop across internal resistance)…

Q: What is the total power dissipated in the two resistors in the circuit shown? |10 V 10 Q 20 Q O 10…

A: Given Data:- Resistance of the two resistors is R1=10Ω, R2=20Ω Voltage of the battery is V=10 V…

Q: When we apply the loop rule (also called "Kirchhoff's loop rule") in electric circuits then when we…

A: When we move from positive to negative terminal in loop then we are moving higher emf to lower emf…

Q: In a given circuit, the potential difference across the 1 2 resistor is 9 V. a) Calculate the…

A: Given:- R1 = 2 ohm  R2 = 24 ohm  R3 = 5 ohm  R4 = 12 ohm  R5 = 1 ohm and R6 = 3 ohm  The potential…

Q: 27 In which circuit shown below could the readings of voltmeters V, and V, and ammeter A be correct?…

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Q: EMF = Vo = 6 volts. and C = 5 μF  Calculate the theoretical value of the capacitor’s voltage during…

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Q: In the adjacent circuit, the voltages and values of resistance are unknown. The value of the current…

A: Given , the current in R1 (I1)= 5.3 mA    The current in R3 (I3) = 1.8 mA Now you can calculate the…