25.41 · BIO Treatment of Heart Failure. A heart defibrilla- tor is used to enable the heart to start beating if it has stopped. This is done by passing a large current of 12 A through the body at 25 V for a very short time, usually about 3.0 ms (a) What power does the defi-

Q: In the figure R1 = 5.55 Q, R2 = 16.7 0, and the ideal battery has emf ɛ = 10.4 V. (a) What is the…

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Q: In the figure R1 = 6.97 Q, R2 = 20.9 Q, and the ideal battery has emf ɛ = 10.9 V. (a) What is the…

A: Notice that All the three resistors R2 are in parallel (net resistance R2/3). This combination is…

Q: A 12.0 V emf automobile battery has a terminal voltage of 16.8 V when being charged by a current of…

A: Terminal potential difference across the battery is               VA -VC =16.8v…

Q: Given the circuit, where the rate at which R1 is dissipating electrical energy is 20.0W. When the…

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Q: the South American eel are arranged in 140 rows, each row stretching horizontally along the body and…

A: Given:- We know that We have given that the electroplates in the S.A  are arranged in 140 rows and…

Q: A machine gun fires 360 bullets per minute. Each bullet has a mass of 5 grams and travels at 600…

A: Given: A machine gun fires 360 bullets per minute. mass each bullet of 5 grams  v = 600 m/s   To…

Q: What is the power rating of a stove that receives 12.5 A of current and requires 150 V to function?…

A: Given that:- Current, I=12.5 A Potential V=150 V Power is given as: P=VI                   Equation…

Q: B1

A: Given: Power,P=1.54WPotential Difference,V=3.80VTime,t=5.63hrs=5.63×3600s The quantity of energy…

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

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Q: A heart defibrillator passes 12.4 A through a patient's torso for 5.00 ms in an attempt to restore…

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Q: A heart defibrillator being used on a patient has an RC time constant of 17.0 ms due to the…

A: Given: The time constant of the RC circuit is 17 ms. The capacitance of the circuit is 7.40 µF. The…

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: of 5.0 0. What is the power rating of the heater? Select one: A. 2.07 B. 2.46 C. 1.88 D. 1.72 OE.…

A: An electric heater which has following specifications- V=101.7 V R=5.0 ohm P=?

Q: Electric fish generate current with biological cells called electroplaques, which are physiological…

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Q: (a) A well-insulated electric water heater warms 125 kg of water from 20.0°C to 53.0°C in 33.0 min.…

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Q: In the figure R₁ = 5.13 0, R₂ = 15.40, and the ideal battery has emf & = 13.8 V. (a) What is the…

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Q: A power transmission line is hung from metal towers with glass insulators having a resistance of…

A: We know that V=IR                                where V= voltage…

Q: During surgery, a current as small as 20.0 µA applied directly to the heart may cause ventricular…

A: Current, I =  20 μAResistance, R = 253 Ω

Q: The capacity of a storage battery, such as those used in automobile electrical systems, is rated in…

A: When a potential difference is present across a conductor, and a current passes through it, the…

Q: Batteries are rated in terms of ampere-hours (A h). For example, a battery that can produce a…

A: GivenVoltage Ampere rated

Q: Batteries are rated in terms of ampere-hours (A h). For example, a battery that can produce a…

A: It is required to find the total energy stored in a 9 V battery which is rated as 45 A.h, and the…

Q: A 2.00-nF capacitor with an initial charge of 4.98 μC is discharged through a 2.15-k resistor. (a)…

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Q: The heating element of a coffeemaker operates at 120 V and carries a current of 5.00 A. Assuming the…

A: Given data:The operating voltage of a coffee maker is V = 120 V.The current carried by the coffee I…

Q: The 400 V battery of a Tesla Model S electric car stores 3.0 X 108 J of energy. At 65 mph, the car…

A: Time taken to drive 250 Miles at 65 Mph speed is  t= 25065 hr= 3.84 hr =1.38 x 104 s The Power…

Q: electricity costs

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Q: In the figure R1 = 7.13 Q, R2 = 21.4Q, and the ideal battery has emf ɛ = 10.7 V. (a) What is the…

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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: Om. Consider the circuit shown in the figure. How much current is passing through the 4. resistor?…

A: According to question we need to find current in 4 ohm resistance.

Q: (a) A well-insulated electric water heater warms 117 kg of water from 20.0°C to 43.0°C Ω (b) What…

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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: If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To…

A: Given data: Electrical energy cost = $0.12 /kW.h Power of light bulb (P) = 80.0 W = 0.0800 kW Time…

Q: A heart defibrillator passes 12.2 A through a patient's torso for 5.00 ms in an attempt to restore…

A: Given thatI=12.2A, t=5ms

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 120 V potential difference is applied to a space heater whose resistance is 13.7 Ω when hot. At…

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Q: b) If electricity costs 20 Bz per kilowatt hour, how much does it cost to operate a 220 V washing…

A: we know that Electric Energy used is given by H = V*i*t where, i is the current flowing= 1.1A V is…

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 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: A cell of e.m.f. 2V and external resistance 0.5 Q is connected across a resistor (R). The current…

A: To find-Thhe value of external resistance=?Given-Emf (E1)=2VInternal reistance (r1)=0.5 ohmEmf…

Q: In the figure R1 = 7.62 Q, R2 = 22.9 N, and the ideal battery has emf ɛ = 13.3 V. (a) What is the…

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Q: In the figure R₁ = 4.320, R₂ = 13.00, and the ideal battery has emf ε = 13.8 V. (a) What is the…

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Q: b) If electricity costs 20 Bz per kilowatt hour, how much does it cost to operate a 220 V washing…

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Q: a) An electrician wishes to cut a tungsten wire (p = 5.6x10-8 Qm) that has 202 of resistance. The…

A: Given data:  Resistivity (ρ) = 5.6×10-8 Ωm Resistance (R) = 20 Ω Wire radius (r) = 0.750 mm =…