A 200 μF defibrillator capacitor is charged to 1200 V. When fired through a pa- tient's chest, it loses 95% of its charge in 40 ms. What is the resistance of the patient's chest?

Q: A capacitor of capacitance C= 2x 10^-6 is discharged through a resistor of resistance = 10^5 ohm.…

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Q: A copper wire of length L has a resistance R. The wire is passed through a small metal ring,…

A: Given data: The length of wire is L. The resistance is R.

Q: Three resistors, 28, 46, and 76 Ω, are connected in series, and a 0.49-A current passes through…

A: (a) Since the resistors are connected series, the equivalent resistance is the sum of the given…

Q: Two 6V and 12V batteries, whose internal resistance is ignored, were connected to two resistors with…

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Q: Two batteries "A" and "B", each with emf= 10.5 (V) are connected in series configuration. Note that…

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Q: The emf of a particular battery is 45V and the internal resistance is r=7Ω. When attached to load…

A: a) The required terminal voltage is,

Q: Two conductors are made of the same material and have the same length. Conductor A is a solid wire…

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Q: A potential difference of 50.0V can move 3.22x 1022 electrons in 5 minutes through a wire. What is…

A: Given data:  Potential difference (V) = 50.0 V Number of electrons (n) = 3.22 × 1022 Time (t) = 5…

Q: Amara has two different lightbulbs of unknown resistance, a 9V battery, and an ammeter. She wires…

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Q: The value of the voltage terminals of the battery is 4 V. There is a current of 3.0 A in the battery…

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Q: You have three resistors R1 = 422 Ohms, R2 = 271 Ohms & R3 = 426 Ohms. What is the maximum…

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Q: To find the internal resistance of a battery, it is connected across different resistors. A current…

A: Given, When the battery is connected across the resistance R1 the current I1 flows through it. When…

Q: To find the internal resistance and emf of a battery, it is connnected across different loads…

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Q: A capacitor with capacitance C = 2.5 µF is charged to a voltage V = 5V. It is then discharged…

A: The capacitance of the capacitor is 2.5 μF. The resistance of the resistor is 100 Ω. The charged…

Q: An initially uncharged capacitor of 762 x 10^-6 F is connected to a resistor. When the circuit is…

A: SOlution: given that C = 762 x 10^-6 F t = 7.32 s  for capacitor to become 77.9% fully charged.

Q: You have four homogeneous wires made of the same material. Each wire has a diameter of 3 mm and a…

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Q: A resistor with resistance 25.5 2 is connected to the terminals of a voltage source. (a) Calculate…

A: a. Current through resistance is I=VR=7.5 V25.5Ω=0.29 A

Q: Suppose that the resistance between the walls of a biological cell is 5.9 × 109 Ω. (a) What is the…

A: Given that:- Resistance between the walls of a biological cell=5.9×10^9 ohm

Q: Giant electric eels can deliver a voltage shock of 5.00 x 10² V and up to 1.00 A of current for a…

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Q: Two conductors are made of the same material and have the same length. Conductor A is a solid wire…

A: RA=pLπrA2RB=pLπr22-r12

Q: Four resistors of 12 2 each are connected in parallel. Three such combinations are then connected in…

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Q: Two conductors are made of the same material and have the same length. Conductor A is a solid wire…

A: Step 1:Step 2:Step 3:Step 4:

Q: A cylindrical aluminum pipe of length 1.88 m has an inner radius of 1.63 × 10-³ m and an outer…

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Q: A battery of 12 V and internal resistance (1) is connected to a load resistor R= 20. The potential…

A: Given that,Voltage : V = 12 (V)Resistance : R = 2 (Ohm)Potential difference : V = 10 (V)Here we need…

Q: As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with…

A: Mass of copper (m) = 0.9 g Density of copper (D) = 8920 kgm3Resistivity of copper (ρ) = 1.72×10-8…

Q: When a 1.50V battery is shorted by a copper wire whose resistance can be ignored, the current…

A: battery voltage V =1.50 voltCurrent i = 1.53A

Q: The potential difference accross the terminals of a battery is 20.0 V when the circuit is open. When…

A: Given:- The potential difference across the terminals of a battery E=20.0 V  current I= 2.0 A  the…

Q: A battery has an open circuit emf of 2.0V and internal resistance of 0.94 Ohms. A resistance of 22…

A: Given data:  emf of battery (ε) = 2.0 V Internal resistance (Rint) = 0.94 Ω Resistance (R) = 22 Ω

Q: When the switch is open, the potential difference across the terminals of a battery is 20.0 V. When…

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Q: The capacitor in the flash of a disposable camera has a value of 165 μF. What is the resistance of…

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Q: A solar cell generates a potential difference of O.17 V when a 520Q resistor is connected across it,…

A: Given:R1=520Ω∆V1=0.17 VR2=940Ω∆V1=0.25 VA=2.5 cm2=2.5×10-4 m2I=5.1 mW/cm2=5.1×10-310-4=51 W/m2 Let…

Q: The potential difference across a resistor is 4.4 * 10 ^ 2 V If the resistance of the resistor is…

A: Given data: Potential difference V =4.4×102 V Resistance of the resistor R=1.8kΩ=1.8×103Ω

Q: The emf of a battery is E = 18 V. When the battery delivers a current of 0.3 A to a load, the…

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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: Suppose that the resistance between the walls of a biological cell is 5.7 × 109 Ω. (a) What is the…

A: The difference between two points is known as the potential difference. Any sort of potential is…