A light bulb has a resistance of 360Ω when turned on. How much current in will flow thru it when it is connected across 220V, its normal opening voltage?

Q: For the given circuit below, the terminal voltage of the 20.0 V emf is 20.0 V,2.000 4.000 10.0…

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Q: The resistance of an electric heater is  70 Ω  when connected to 120 V. How much energy does it use…

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Q: An experimenter accidentally touches a 240 V dc line. If his skin resistance is 10 000 Ω, what value…

A: Given data :               Voltage (V) = 240 V               Resistance (R) = 10000 Ohm

Q: The potential difference across a resting neuron in the human body is about 62.0 mV and carries a…

A: Given Information:- Potential difference across a human neuron in the human body is  V=62…

Q: Integrated Concepts. A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being…

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Q: Determine the output voltage for the following network with the input shown in the figure below…

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Q: What is the effective resistance of a car's starter motor when 145 A flows through it as the car…

A: The relation between voltage, current and resistance through a conducting medium is, V=IR or, R=VI

Q: A battery with EMF of 20 V and an internal resistance, r = 0.02 ohms is connected to the load…

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Q: Your cell phone typically consumes about 400 mW of power when you text a friend. If the phone is…

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Q: A battery of 9V is connected in series with resistors of 0.2Ω, 0.3Ω, 0.4Ω ,0.5Ω and 12 Ω,…

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Q: Two identical resistors of 249 Ohms are configured in parallel and connected to a 12.8V power…

A: Resistance of the resistors R = 249 ohms Voltage of the power supply V = 12.8 V

Q: R3 R2 ww

A: Since all the resistors are in parallel connection, the voltage drop across each resistor will be…

Q: A parallel plat capacitor is being charged by a battery of E=12 V. If the total resistance of the…

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Q: A 1.00-V potential difference is maintained across a 10.0-Ω resistor for a period of 20.0s. What…

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Q: How much electrical energy is transferred to thermal energy in 2.00 hrs by an electrical resistance…

A: The potential difference,

Q: A 0.7-F capacitor is connected in series with a 9-ohm resistor. If the connection is energized from…

A: Capacitance of capacitor C = 0.7 F Resistance R=9 Ω Voltage V = 11 V Initial charge Q0=175 mC =…

Q: If two 20uf capacitors in series were connected to two 1 k ohm resistors in parallel… what would the…

A: Given, Two capacitor of capacitance C = 20 μF Resistance R = 1 kΩ = 1000 Ω

Q: What minimum number of 75-W lightbulbs must be connected in parallel to a single 120-V household…

A: The current through one bulb can be calculated as follows,

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

A: Given:  current,, i = 80 micro Ampere  resistance of dry skin, R = 4 x 105 ohm  resistance of wet…

Q: Two 75 W (120V) light bulbs are wired in series, then the combination is connected to a 120 V power…

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Q: The potential difference across a resting neuron in the human body is about 150.0 mV and carries a…

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Q: In the US, the conventional voltage seen in a recepticle (wall outlet) is 120 V. How many amperes is…

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Q: current of 0.080 A passing through a human body could be fatal. If you accidentally touched a 110 V…

A: Given V = 11O V I = 0.080 A

Q: Use the source transformation method to find the current in the 10k resistor (i,) in the circuit in…

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Q: What is the voltage between the ends of the 4Q resistor in the circuit shown in the figure? Note:…

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Q: The value of a resistor that carries 2 A when connected to 10 V is

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Q: How much electrical energy is transferred to thermal energy in 2.00 h by an electrical resistance of…

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Q: Two 75 W (120 V) lightbulbs are wired in series, then the combination is connected to a 120 V…

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Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

A: Given,  Power P = 30 W Voltage V = 120 V  time t = 4.1 min = 4.1 * 60 = 246 sec

Q: In the circuit shown, the battery has EMF of c=32 V. At what rate is thermal energy being generated…

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Q: Appliances that require a lot of power, such as a dryer or a stove, typically run on 240 V, and…

A: Given:   Initial Power, P1 = 4461 W Initial Voltage, V1  = 240 V  Final Voltage, V2 = 120 V     To…

Q: If the external source has an emf of +6.0 V and the electrolytic cell is 65% efcient, how much…

A: Electrical power is the power generated due to the flow of electricity.

Q: A storage battery has an emf of 6.7 V and internal resistance of 0.50. Compute for the terminal…

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Q: If the battery in the circuit below is 15.64V, resistor R1=349.442, and resistor R2=284.01N, what is…

A: Potential difference of the battery (V) = 15.64 volts R1 = 349.44 ohm R2 = 284.01 ohm

Q: The power dissipated by a load resistor of 490 is 61W. If the "load" voltage across the resistor is…

A: According to question--- Given values-- power = 61 W. resistance R = 49 ohm. internal resistance r…

Q: If the emf of the battery is 9.0 V, what is its terminal voltage when the switch is closed if the…

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Q: Find the voltage drop across 180 resistor if the source of the circuit is 12.5volts. Submit solution…

A: in this question we determine voltage across 18 ohm resistance.

Q: The potential difference across a resting neuron in the human body is about 63.0 mV and carries a…

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Q: For the given circuit below, the terminal voltage of the 10.0 V emf is 20.0 V,2.000 4.000 10.0…

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Q: A portable CD player operates with a current of 18 mA at a potential difference of 4.3 V. What is…

A: Given: The current is 18 mA. The potential difference is 4.3 V.

Q: A 100-W lightbulb connected to a 120-V source experiences a voltage surge that produces 140 V for a…

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Q: A 2 nF capacitor with an initial charge of 16 micro.C is discharged through a 2000 ohm, the maximum…

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Q: The temperature coefficient of resistance of a wire is 0.00125 per degree celcius. At 300K its…

A: Given  Temperature coefficient, TRC = 0.00125 /°C  At ,T1 = 300 K , Resistance, R1= 1 ohm for…

Q: What is the effective resistance of a car's starter motor when 150 A flows through it as the car…

A: Given data The current is Io=150 A The potential difference supplied by the battery is Vo=11.0 V…

Q: What power is dissipated by a 40 Ω resistor when a voltage of 6 V is connected across it?

A: Given : R = 40 Ω V = 6 V