A 72 Ohm Coil of Wire Is Connected in Series with An Adjustable Resistor (rheostat) Whose Resistance Can Be Varied from 0 to 88 Ohms. if The Line Potential of Wire Is 115 Volts, What Is the Rheostat Resistance when Power Taken by The Coil Is 90 Watts?

Q: onsider a series RC circuit as in the figure below for which R = 8.00 MΩ, C = 3.00 µF, and  = 34.0…

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Q: A galvanometer has a coil resistance of Rgalv=22.4⁢ Ω. It is to be made into a voltmeter with a…

A: Given:  Rgalv = 22.4 ohms Voltage = V = 265 Volts Igalv = 195.5 mA For galvanometer to act as…

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A: P=I2R

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Q: 9. In the circuit shown, assume the battery emf is 20.0 V, R = 1.00M, and C= 2.00µF. The switch is…

A: Given value--- EMF = 20 V. R = 2 M ohm. C = 2 micro F. We have to find--- At what time t will the…

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Q: Consider a series RC circuit as in the figure below for which R = 6.00 M2, C = 8.00 µF, and e = 25.0…

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Q: In the circuit in the figure, the battery's power is € = 20V. The coils are at L = 0.05 H and their…

A: Given : emf of battery, E = 20 V Ro = 3 Ω R1 = 1 Ω R2 = 4 Ω R3 = 4Ω R4 = 4 ΩR5 = 5 Ω R6 = 3Ω

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Q: Four resistors, R1 = 1000, R2 = 2500, R3 = 3500 and R4 = 2002 are connected such that the parallel…

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Q: 2. In the following circuit, the capacitor is initially discharged and R is 250kQ. How long after…

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Q: What are the following exactly 7.00 s after the switch is closed?   (a) the charge on the capacitor…

A: [ As this question has more than 3 sub-parts and that's why I only provided solutions for first…

Q: Consider a series RC circuit as in the figure below for which R= 7.40 M2, C= 1.70 uF, and E= 29.5 V.…

A: Given data: R=7.40 MΩ C=1.70 μF ε=29.5 V Calculating the time constant of the circuit as follows:…

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Q: The figure below shows a simple RC circuit with a 2.90-µF capacitor, a 2.80-MQ resistor, a 9.00-V…

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Q: The motor in a toy car is powered by four batteries in series, which produce a total emf of 6.00 V.…

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Q: A digital clock has a 1.2x10 4 2 resistor and is connected to a 115 V source. How much power does…

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Q: The figure below shows a simple RC circuit with a 3.50-µF capacitor, a 2.60-MQ resistor, a 9.00-V…

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Q: A circuit consists of a single 50 Ohm resistor, a 12 V potential source and a switch. The switch is…

A: option (a) current is 0.24 A and the energy delivered is 518.4 J current, I = VR=1250=0.24 A

Q: Consider the RC circuit shown in the figure below. If the resistance of the circuit is R=6kΩ and the…

A: Answer: 58.8ms

Q: The motor in a toy car is powered by four batteries in series, which produce a total emf of 5.20 V.…

A: Given data: Number of batteries are, N=4. Total emf is, E=5.20 V. Current withdrawn by motor is,…

Q: In the circuit in the figure, a single-ring circuit consisting of a conductor with a resistance of…

A: The questions are regarding charging of a capacitor.

Q: The current in a series circuit is 21.2 A. When an additional 7.38-Ω resistor is inserted in series,…

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Q: Consider a series RC circuit as in the figure below for which R = 4.00 MO, C= 4.00 pF, and &= 28.0…

A: Given data R=0.004 ΩC=4 μFε=28 V Here, R is the resistance of the circuit. While C is the…

Q: Consider a series RC circuit as in the figure below for which R = 8.10 MΩ, C = 2.40 ?F, and ℰ = 30.5…

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Q: Problem 5. In the circuit shown in the figure all resistors are 5 ohm resistors and the source EMF…

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Q: A 1.5-V emf source has an internal resistance of 0.50 Q. After it has been connected to a load with…

A: Given that-Emf of source, ε=1.5 VoltTerminal Voltage, V=1.45 VoltInternal resistance, r= 0.5ΩWe know…

Q: The voltmeter V reads 3.11V, when switch S is open . When the switch is closed, the voltmeter…

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