A flashlight uses batteries that add up to 1.5 V and has a power output of 0.53 W. (a) How much current is drawn from the batteries? A (b) What is the effective resistance of the flashlight? Ω

Q: In the figure the ideal batteries have emfs 1 = 14 V and 2 = 6.0 V and the resistors have…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: A 330-Ω resistor is connected to a variable-voltage power supply. (a) What voltage is necessary to…

A: (a) Given thatResistance (R)=330 ΩCurrent (I)=0.8AOhm's lawV=IRV=0.8A × 330 ΩV=264V  Ans

Q: A car has a fresh storage battery of e.m.f. 12 V and internal resistance 2 x 10-2 Q. If the starter…

A: The relationship between the terminal voltage V and emf ϵis             V = ϵ - Ir Where I is…

Q: In the figure R1 - 4.78 0, R2 - 14.3 0, and the ideal battery has emf e - 11.8 V. (a) What is the…

A: Answer of the question given in picture below ...

Q: 240-Ω  resistor is connected to a variable-voltage power supply. (a) What voltage is necessary to…

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Q: A typical cellular phone consumes an average of about 1.10 W of electrical power and operates on…

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Q: In the figure the ideal batteries have emfs &₁ = 20.4 V, E2 = 9.31 V, and 3 = 5.30 V, and the…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: A 75-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

A: Given,                       power of bulb (P) = 75 W            operating voltage (V)= 120 volt…

Q: In the figure circuit section AB absorbs energy at a rate of 53 W when current i = 1.4 A through it…

A: Given : P = 53 W i = 1.4 A R = 2 ohms

Q: . Consider a resistor network connected to a 32.0-V battery as shown. The battery has negligible…

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Q: In the figure R, = 6.53 Q, R2 = 19.6 Q, and the ideal battery has emf ɛ = 11.0 V. (a) What is the…

A: Given value--- R1 = 6.53 ohm. R2 = 19.6 ohm. E = 11 V. t = 2.21 min. We need to find--- (a) What…

Q: A 3.6 A current is set up in a circuit for 28 min by a battery with a 5 V emf. By how much is the…

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Q: In the figure the resistances are R₁ = 1.40 and R₂ = 2.8 02, and the ideal batteries have emfs 8 =…

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Q: An ideal battery produces a potential difference of 17.45V and is connected to 4 resistors as shown…

A: Resistor R2 and R3 are in parallel, so the net resistance due to them is R23=R2R3R2+R3=2.43 Ω3.39…

Q: Two 1.50-V batteries-with their positive terminals in the same direction-are inserted in series into…

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Q: The figure below shows a circuit with two batteries and three resistors. (Assume R₁ = 1.50 0, R₂ =…

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Q: In the figure the ideal batteries have emfs 8, -20.7 V. 8-9.93 V. and 8, 5.30 V. and the resistances…

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Q: In the figure the resistances are R₁ = 0.79 Q and R₂ = 1.6 02, and the ideal batteries have emfs &₁…

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Q: In the figure the ideal batteries have emfs &₁ = 9.0 V and 2 = 0.500 E₁, and the resistances are…

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Q: The figure below shows with two batteries and three resistors. The potential difference across the…

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Q: A 9.0-V battery is connected to a resistor so that there is a 0.50-A current through the resistor.…

A: VOLTAGE=9V current (i)=0.50 A  TO FIND : TIME TO DO 200J OF WORK (t)

Q: In the figure R, = 87.0 0, R2 = R3 = 38.0 0, R4 = 58.8 Q, and the ideal battery has emf ɛ = 6.00 V.…

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Q: A 60-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

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Q: Two 1.50-V batteries-with their positive terminals in the same direction-are inserted in series into…

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Q: )If a certain silver wire has a resistance of 8.40 Ω at 16.0°C, what resistance will it have at…

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Q: When a R =88.7 Q resistor is connected across a 11.1 V battery, a current of 112.8 mA flows. What is…

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Q: Three resistors R₁ = 89.0 2, R₂ = 19.92, R3 = 70.0 2, and two batteries &₁ = 40.0 V, and &₂ = 356 V…

A: Given data: R1=89.0 ΩR2=19.9 ΩR3=70.0 Ωξ1=40.0 Vξ2=356 V We need to find the current flowing through…

Q: www In the figure the ideal batteries have emfs &₁ = 18.3 V, 82 = 9.31 V, and 3 = 5.50 V, and the…

A: Step 1: Step 2:

Q: (a) What is the bulb's resistance? Ω (b) What fraction of the chemical energy transformed appears as…

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Q: The starter in your car is a device of fixed resistance that is designed to operate at a power of…

A: Given: The power at which the starter is designed to operate is 847 W. The voltage of the car…

Q: The power rating of a 3.00 kN resistor is 1.10 W. What is the maximum voltage that can be applied…

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Q: An electric car is designed to run off a bank of 12.0 V batteries with a total energy storage of…

A: Given Information: The power is P=7200 W The total storage energy is E=2.30×107 J The batteries…

Q: A flashlight uses batteries that add up to 4.5 V and has a power output of 0.39 W. (a) How much…

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Q: In the circuit shown in the figure (a) What is the equivalent resistance? (b) What is the current in…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: The body of a snorkeler swimming in salt water has a resistance of about 585 2. If the snorkeler is…

A: Given data:  Voltage (V) = 5.00×102 V Resistance (R) = 585 Ω Required: Current (I) and Power (P)

Q: A V = 7.58 V battery is connected to a R = 52.2 Ω resistor. How much current (I) runs through the…

A: Given,  V =7.58 V R =52.2 Ω . We have to find the current (I) that runs through the resistor. Let's…

Q: Some makes of older cars have 6.00 V electrical systems. (a) What is the hot resistance (in 0) of a…

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Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.4 V when it is delivering…

A: a) We know that power  P= V2/R R= 11.42/16 R= 8.12Ω

Q: Two ideal batteries: V1 of potential 27.02V and V2 of potential 5.89V provide power to the following…

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Q: In the figure R1 = 4.31 0, R2 = 12.9 0, and the ideal battery has emf ɛ = 12.6 V. (a) What is the…

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Q: Using Kirchhoff's rules, find the following. (₁ = 71.0 V, ₂ = 62.0 V, and 3 = 79.0 V.) 4.00 ΚΩ = b =…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: In the figure the ideal batteries have emfs & = 21.3 V, E2 = 9.68 V, and ɛ3 = 5.10 V, and the…

A: As per guidelines we are suppose to do only three subpart from multipart question please post the…

Q: A system of resistors is connected to a load resistor R and a 9-V battery. Calculate a) The value of…

A: Given:          A system with resistors connected to load resistor R with 9V battery.Calculate:a)…

Q: A 25-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

A: I=PV=25 W120 V=0.208 A

Q: In the figure the ideal batteries have emfs &₁ = 9.0 V and 2 = 0.500 E₁, and the resistances are…

A: The circuits with complex resistors and batteries network can be solved using the Kirchoffs voltage…