A battery supplies a constant current of I = 15 mA to the circuit of a flashlight with a resistance of R = 4.1 kΩ.   a.) Input an expression for the potential difference across the terminals of the battery, ΔV.  b.) What is this potential difference in volts?  c.) Keeping the resistance the same, if the flashlight battery has a potential difference of ΔV = 7.5 V, how much current flows through the circuit, in amperes?

Q: Find the current I through the circuit. I=    (mA). Find the voltage across each resistor. Give your…

A: Applying kirchoffs loop rule, 12-(10+20+10+10+10)*10^3 * I -24 =0   I=-12(60×103)=-2×10-4A=0.2mA

Q: The internal resistance of a high voltage power supply is 4 MΩ and the output is set so that the…

A: The given scenario can be illustrated using the following circuit diagram: The battery section has:…

Q: R The figure shows an ideal battery of emf = 40 V, a resistor of resistance R = 6.2 £2, and an…

A: Given: In this question, the given details are, Here, the given figure is, The given ideal battery…

Q: Two batteries, ɛ_1= 6 V, 0.25 2, and ɛ_2=12 V, 0.5 N are connected series-opposing. An external…

A:

Q: a. A proton beam in an accelerator carries a current of 110 µA. If the beam is incident on a target,…

A:

Q: A length of constantan wire of uniform cross sectional area is included in the electrical circuit…

A: From Ohm Law :

Q: 30V battery is connected to 3 resisters in parallel. R1=6 Ohms, R2=3 Ohms, and R3=2 Ohms. A. Find…

A: Given: The voltage of the battery is 30 V. The values of the resistor R1 is 6 Ω. The values of the…

Q: 46. A heart defibrillator is used to resuscitate an accident victim by discharging a capacitor…

A:

Q: A copper transmission cable 170 km long and 12.0 cm in diameter carries a current of 145 A. Part A…

A: Givin :            There is a copper transmission cable having lenght L= 170 km            diameter…

Q: A 6.0 x 10-6Farad capacitor is initially charged to 1.0 x 10²V and then connected across a 5.0 x 102…

A:

Q: Six resistors are connected to a battery. It is known that R1=5 ohm, R2= 25 ohm, R3= 80 ohm, R4= 10…

A: Hello. Since your question has multiple sub-parts, we will solve the first three (a, b, and c)…

Q: R Two uncharged capacitors and a resistor are connected as in the figure. If V = 5V,C = 2200 uF ve R…

A:

Q: Two batteries A and B are connected in parallel and load of 10 ohms is connected across their…

A:

Q: 10.0 2 8.0 Ω 6.0 2 ww 4.0 2 ww 5.0 Ω a r=0.50 Q ww E=9.0 V

A:

Q: 1. If the voltage across 3 µF capacitor is v(t) = 50sin (250rt) V; A. Plot a graph of the voltage vs…

A:

Q: a 1.0 MQ resistor was connected in series with a capacitor. The voltage across the capacitor was…

A:

Q: Given the question statement: A. What is the maximum current in the wire? Express your answer with…

A:

Q: Q2. To determine the galvanometer's internal resistor Rc and its maximum electric current Ic ,…

A:

Q: A capacitor with a capacitance of 3.5 μF is initially uncharged. It is connected in series with a…

A:

Q: Figure given below shows a resistor of resistance R = 6.000 connected to an ideal battery of emf E =…

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

Q: 5. You are discharging a 17μF capacitor in a circuit that has a 100 resistor and a 12 V battery. AV₁…

A:

Q: R1 = 40 Calculate the current in the circuit. What is the potential difference between Vb and Va…

A:

Q: Four 18-Ω resistors are connected in series to a 9-V battery of negligible internal resistance. a.…

A: (given) Four resistors are connected in series. R1 = R2 = R3 = R4 = 18 Ω Voltage (V) = 9 V  By ohm's…

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: A circuit is constructed using two batteries and three resistors. What is the current I2 through…

A: This can be solve by two methods, one is Kirchhoff's Voltage law and other is Nodal Analysis

Q: Due to a weak connection, there is a break in the circuit (shown below) between points a and b. If…

A:

Q: An ideal emf e = 12 V is wired into a circuit with resistors R1 = 4.0 N and R2 = 8.0 N, as %3D shown…

A: According to Ohm's law, V = I×R where, V = Voltage  I = Current R = Resistance Also, equivalent…

Q: Ri P. Rz Ry E3 R3 E2

A:

Q: An uncharged 5.9-μF capacitor is in series, through a switch, with a 5.65-MΩ resistor and a 29-V…

A:

Q: In the circuit shown, V1= 1.50 V, V2= 2.50 V, R1= 4.00 ohms and R2= 5.00 ohms. What is the current…

A:

Q: m the circuit shown in the figure, VA = VB = 22.0 V and R₁ R₂ = R₁ = R₁ = R₁ = 100.0 92. Current Is…

A:

Q: As shown, a single cell in a sample of tissue can be modeled by a circuit consisting of two…

A: After a long time, the capacitor gets fully charged. Thus, no current will flow from the capacitor…

Q: Consider the three resistors R1 = 21 Ω, R2 = 63 Ω, and R3 = 85 Ω in the configuration shown in the…

A: Given:  R1 = 21 Ω, R2 = 63 Ω, and R3 = 85 Ω The supply voltage is 2.5 V.

Q: The following circuit has an ideal battery of potential difference 15.16V and R1 has a resistance of…

A: When circuit is hooked up for a long time then capacitor get fully charged and steady state will be…

Q: B. A single 100 Q resistor is in series with a 50 V battery. What is the current in the circuit and…

A: Given,  Resistance of the resistor, R = 100ohms Voltage , V = 50V

Q: Two resistors of equal resistance R are connected in parallel across a cell with emf V. What is the…

A: Given : Two resistors of equal resistance R are connected in parallel across a cell with emf V.

Q: If an object has kinetic energy, then it also must have ⒸA. force B. acceleration O C.speed O D.…

A: An object has kinetic energy which  denotes the kinetic energy of the object and it is given as…

Q: Three resistors R1 = 20, R2 = 42 R3 = 82 are connected to a source with terminal voltage of 6V. find…

A:

Q: Three resistors of 25 Ω, 30 Ω and an unknown resistance R are connected in parallel and the…

A: It is given that,

Q: Consider the following RC circuit with a 5 MQ resistor and 1000 nF capacitor in series. The battery…

A:

Q: Consider following circuit with R1 = 62 Ω, R2 = 11 Ω, R3 = 62 / 10 Ω, R4 = 11/10 Ω and and ξ=11 V…

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

Q: A 16.0-m length of wire consists of 7.0 m of copper followed by 9.0 m of aluminum, both of diameter…

A:

Q: A 1000 μF capacitor is charged at a constant current of 1 mA. The final voltage across the capacitor…

A: Given data, Capacitance C=1000 μF. Constant current i=1 mA. Voltage across capacitor V=100 V.

Q: 1. The resistances are R1 = 3N and R2 = 50, and the ideal batteries have emfs §1 = 3 V, §2 = 4 V and…

A: