A hair dryer draws 9.3 A when plugged into a 120-V line. How much charge passes through it in 19 minmin ? (Assume direct current.)

Q: What current flows through an electric iron having a resistance of 13 ohms when connected across a…

A: As per the answering guidelines we will solve only first problem. Please upload the second  problem…

Q: A 200-m length of copper wire has a resistance of 2.0 ohms and a resistivity of 1.72 x 10-8…

A: Length of copper wire L = 200 m Resistance of copper wire R = 2 Ω Resistivity of copper wire ρ =…

Q: when operated at 120 V. How much charge enters (and leaves) the light bulb in 8.7 min?

A: See solution on next page

Q: A color television set draws about 2.5 A when connected to a 220-V source. What is the cost (in…

A: Given data The current flows in the colour television is I = 2.5 A. The voltage is given as V = 220…

Q: If a certain silver wire has a resistance of 6.00 Ω at 20.0°C,what resistance will it have at…

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Q: How many watts does a flashlight that has 6.00×102C pass through it in 0.500 h use if its voltage is…

A: Given, Charge 6.00*102 C Time t is 0.500 hours And voltage is 3.00 V

Q: An 20.2 W device has 9.01 V across it. How much charge goes through the device in 4.20 h?

A: Power of the device (P) = 20.2 Wpotential difference (V)= 9.01 VTime (t) = 4.20 hoursusing 1 hour =…

Q: A cheaper cord utilizes thinner wire and has a resistance of 0.300 Ω . What is the voltage drop in…

A: Using ohm's law, V=IR

Q: The heating element of a 110-V, 1500-W heater is 3.8 m long.If it is made of iron, what must its…

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Q: A PlayStation draws a current of 143 mA at 120 V. How much power (in W) does the device require?

A: Given:- Current drawn by the playstation is  I=143 mA   =143 mA×1 A103 mA   =0.143 A Votltage is…

Q: A light bulb marked “73 W at 120 V” is screwed into a socket at one end of a long extension cord, in…

A: The bulb, conductors and the 120-V outlet are all connected in series. Resistance in the bulb

Q: If a 60 W electric heater has a current of 4 A at 20°C, how much resistance will be increase if the…

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Q: Of what material is a resistor made if its resistance is 40.0% greater at 100°C than at 20.0°C?

A: Given, Resistance is 40.0% greater at 100°C than at 20.0°C Let T1=20 c T2=100c Resistance at 20c=Ro…

Q: Suppose your portable DVD player draws a current of 350 mA at 6.00 V. How much power does the player…

A: Given- Current drawn by DVD player , I = 350 mA = 0.350 A Voltage across  DVD player , V = 6.00  V

Q: A battery has a total charge capacity of 10 800 C. For how long can this battery deliver a current…

A: Data Given:- Charge capacity of the battery is Q=10800 C Current is  i=450 mA ⇒i=450 mA×1 A1000 mA…

Q: What is the resistance of a 40.0-W, 120-V incandescent lightbulb?

A: We need to find the resistance of a 40 W, 120 V bulb.

Q: A certain laboratory experiment requires an aluminum wireof length of 32.0 m and a resistance of…

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Q: When measuring a potential difference of 10 volts, how much current is drawn by a voltmeter with 10…

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Q: A cheaper cord utilizes thinner wire and has a resistance of 0.300Ω. What is the voltage drop in it…

A:

Q: Assuming the cost of energy from the electric company is $0.075/kWh, compute the cost per day of…

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Q: An incandescent light bulb is rated at 42.5 W when operated at 99.7 V. How much charge (in C) passes…

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Q: How many electrons flow through a point in a wire in 3.00 s if there is a constant current of I =…

A: The expression for the current flowing through the wire,   Rearrange,

Q: What is the resistance of an automobile headlight through which 2.50 A flows when 12.0 V is applied…

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Q: A metal wire has a resistance of 10.00 A at a temperature of 20.0°C. If the same wire has a…

A: Given that                  Resistance R0=10.00ΩTemprature T0=20 °CResistance R=10.55ΩTemprature…

Q: A wire passes 96 C of charge every 0.82 s. How many amperes of current is passing through the wire…

A: current flowing through any conductor is defined as the rate of charge flow or charge flowing…

Q: How much current is flowing through a wire if 21.5 C of charge passes a point in 6.3 seconds?

A: Given data:  Charge (q) = 21.5 C Time (t) = 6.3 s Required: Current (I)

Q: If a certain silver wire has a resistance of 8.00 Ω at 11.0°C, what resistance will it have at…

A: Given: R1 = 8.0 ohmT1=11.0°CT2=45.0°CR2=? knowns: temperature coefficient of resistance of silver…

Q: The heating element in a clothes dryer is rated at 5 Kw and 220 V. How much current does it draw?

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Q: What current must be produced by a 12.0-V battery-operated bottle warmer in order to heat 75.0 g of…

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Q: Four 2.2 V cells are connected in series to a 8.0 N light bulb. If the resulting current is 0.75 A,…

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Q: If a certain silver wire has a resistance of 8.20 Ω at 36.0°C, what resistance will it have at…

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Q: A bar of copper has a mass of 1.5 kg is to be drawn into a wire having a resistance 250 Ω at 20°C.…

A: Given: The mass of the copper wire is 1.5 kg. The resistance of the wire is 250 Ohm. The density of…

Q: If 18 A flows through a 37 V battery in a certain circuit, how much would it could cost to operate…

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Q: an air conditioner runs on 230.0V voltage and draws an average current of 2.80. A. how much does it…

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Q: An electrician experienced a mild shock when he accidentally touched a wire carrying 5.0 mA for…

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Q: Of what material is a resistor made if its resistance is 40.0% greater at 100.0 °C than at 20.0 °C ?

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Q: An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and of length…

A: Write the expression for the power dissipated. Here I is the current, and R is the resistance. The…

Q: What total charge passes by a given point in a circuit carrying 12.0 Amps in 1 minute?

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Q: An 18.0 W device has 9.00 V across it. How much charge goes through the device in 4.00 h?

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Q: a copper wire is 2.50m long and has a diameter of 2.5 mm. How much current will it draw when…

A: Given data:  A copper wire  Length (L) = 2.50 m Diameter (d) = 2.5 mm = 2.5×10-3 m Voltage (V) = 3.5…

Q: A thermometer made of Platinum has a resistance of 50 at 20 C, what is the measured temperature (in…

A: The given data are: R0=50 ΩTi=20 °CR=77 Ωα=3.92×10-3 /°C

Q: During open-heart surgery, a defibrillator can be used to bring a patient out of cardiac arrest. The…

A: Given: The current is 10.0 mA. The resistance of the path is 500 Ω. Introduction: According to Ohm's…

Q: ugh the bulb of a 2.

A: GivenV=2.97 VR=3.58 Ω

Q: A stove element draws 12 A when connected to a 110-V line. How long (min) does it take to consume…

A: Given data:  Current (I) = 12 A Voltage (V) = 110 V Energy consumed (E) = 150 kJ = 150000 J…

Q: 7.00 Ω 9.00 Ω Μ 10.0 Ω a b If the voltage applied is 34.0V, calculate the the current in the 7.00…

A: Given data :- Applied voltage Vab = 34 V