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: 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: As discussed in the chapter, a thermistor is a device whose resistance varies with temperature. At…

A: V=Voltage=1.2 VR=Resistance=10  kΩ

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

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Q: First, a real battery is connected to a load R1 = 1.7 Ω, then the same battery is connected to…

A: Given: The given load resistances are R1=1.7 Ω, and R2=0.5 Ω. The power loss across each resistor is…

Q: Iwo conductors are made of the same material and have the same length. Conductor A is a sol is a…

A: We know that the formula of the resistance is given as  R= ρLA ----- eq1  where R is the Resistance,…

Q: A cylindrical aluminum pipe of length 1.41 m has an inner radius of 1.72 ×10-3 m and an outer radius…

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Q: Nerve cells transmit electric signals through long tubular axons. These signals propagate due to the…

A: Charge on each ion, e = 1.6×10-19 C Total number of ions, n = 5.86×1011  Time, t = 0.0100 s Current,…

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 certain wire has a resistance of 140 Ω. What is the resistance of a second wire, made of the same…

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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: 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: Nerve impulses are carried along axons, the elongated fibers that transmit neural signals. We can…

A: Given Diameter  = 10 μm Specific resistance ρ = 0.5 ohm. meter Length l = 7 mm To Find out…

Q: Dry air is a pretty decent insulator; it has a very high resistivity of 3 x 105 2 · m. Consider a…

A: 10. Given: Side of square plate is a=15 cm=15×10-2 m. So, the area of plate is: A=a2A=15×10-2…

Q: A battery (delta V= 1.7 V) contains E = 1.7 kJ of energy. It is connected to a P = 5.5 W light bulb.…

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Q: Nerve impulses are carried along axons, the elongated fibers that transmit neural signals. We can…

A:

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: In a discharge tube, the number of hydrogen ions 18 (i.e., protons) drifting across a cross-section…

A:

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

A: total mass of copper= 0.9 g

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

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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: person notices a mild shock if the current along a path through the thumb and index finger exceeds…

A: V = IR

Q: The figure shows an ideal battery of emf € = 13 V, a resistor of resistance R = 6.3 M2, and an…

A: The objective of the question is to find the current through the resistor when the charge on the…

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: In the given circuit, the resistances of each resistor is 5 Ohm. The ideal batteries have EMFS E1=…

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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: Each of the six real batteries in the figure has an emf of 18.6 V and a resistance of 3.89 0. (a)…

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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: Light bulbs of the same material and properties are connected in parallel to a battery. Each of the…

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Q: A cylindrical aluminum pipe of length 1.92 m has an inner radius of 1.77 ×10-3 m and an outer radius…

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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: A resistor with resistance 31.5 Q is connected to the terminals of a voltage source. (a) Calculate…

A: recall V=IR P=i2R

Q: The circuit of the figure shows a capacitor, two ideal batteries, two resistors, and a switch S.…

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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…

Q: A student connects two resistors with unknown resistance values in series, and notes that the…

A: The answer is given below Explanation:Step 1:Smaller resistance: 214.2 ohmLarger resistance: 560.8…

Q: A person notices a mild shock if the current along a path through the thumb and index finger exceeds…

A: Explanation: Ohm's law: Voltage (V) α Current (I)               V = IR  where R is the resistance of…