A voltage of 12 volts across a lamp produces a current of 0.4 ampere. What is the filament resistance of the lamp?

Q: A hair dryer uses 505 W of power. If the hair dryer is using 8 A of current, what is the voltage (in…

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Q: An electric water heater uses 13 amperes of current when plugged into a 110-volt outlet. How much…

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Q: The force between two electrical charges is 0.4 N. What would be the force if the charges are…

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Q: A furnace for an electric heating system is rated at 121 amperes and 27,500watts. What is the…

A: Given: The current is 121 A. The power is 27500 W.

Q: A series circuit is connected to a 9-V battery and three light bulbs. The current through bulb 1 is…

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Q: If a circuit has a resistance of 20 ohms and a current of 18 A, what is the voltage ?

A: The answer is below

Q: Three 20-Ohm light bulbs are wired in parallel. If they are connected to a 10 V potential…

A: Resistance, R = 20 Ω (three in parallel)  Voltage, V = 10 V  Current, I = ?

Q: What current flows through a hair dryer plugged into a 120 Volt circuit if it has a resistance of 25…

A: given that  voltage = 120 volt resistance = 25 ohms according to ohms law  V= IR

Q: The voltage in an electrical circuit is 120 volt. Its resistance is 50 ohms. What is the current in…

A: Resistance of the  circuit =50 ohm Voltage across resistance =120 volts

Q: How much current would a 10-2 bread toaster draw when connected to a 110-V outlet?

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Q: a 100 watt lightbulb is connected to a light socket with a draw of 0.455A.  solve for the voltage of…

A: The equation for the voltage of the light socket is

Q: A primary transformer has a voltage of 240V and number of revolutions 500 turns, what is the…

A: Given data:  Primary voltage (Vp) = 240 V Number of turns in primary winding (Np) = 500 Number of…

Q: If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in…

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Q: An electric generator produces 200 kW of power and delivers the electricity at 6,500-V. How much…

A: Power is the product of current and voltage.  Calculate the current corresponding to both the…

Q: What is the total current for the circuit

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Q: How much current is drawn from a circuit that has a resistor of 100 ohms if powered by a battery…

A: The voltage in a resistance circuit is given by V = iR, where V = the voltage i = the current in the…

Q: an overhead wire has a potential difference of 2000 volts. If the current flowing through the wire…

A: Given data: The potential difference of the wire, V=2000 V. The current flowing through the wire,…

Q: If a 9 volt battery produces a current of 3 Amperes, what is the of the resistance of the wire the…

A: The equation for the resistance in the wire can be given as

Q: If a simple circuit is connected in series with one 4-Volt battery and one 8-ohm resistor, what is…

A: According to ohm law V = I*R Here V= Voltage(volt) I= Current(Ampere) R=Resistance(ohm)

Q: When a light bulb is connected to a 8.8 V battery, a current of 0.29 A passes through the light…

A: Given data:  Battery voltage (V) = 8.8 V Current (I) = 0.29 A Required: The resistance of the…

Q: A transformer is designed to step down the 220 V. line voltage to 21 V. If there are 1,514 turns on…

A: The input voltage Vi= 220 V The number of turns in input windings Ni=1514 turns The output voltage…

Q: What is the Output Voltage of a battery that expends 7.2J of energy in moving 1C of charge?

A: Energy expended by the battery = 7.2 J charge = 1 C

Q: There is a current of 0.73 Amps through a light bulb in a 120 Volt circuit. What is the resistance…

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Q: What resistance would produce a current of 200 amperes with a potential difference of 2,000 volts

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Q: The current (in amps) flowing through a light bulb rated 5 W and 80 V is  ____________

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Q: What current will be taken by a 1100 W appliance if the supply voltage is 260 V ?

A: Given data :                   Power  =  P                 Voltage  =  V      To find :…

Q: What is the voltage of a power source in a circuit that passes 3.6 A of current through a 4.2 Ω…

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Q: A 10-ohm resistor has a constant current. If 1,200 C of charge flow through it in 4 minutes what is…

A: Given data:  Charge (q) = 1200 C Time (t) = 4 min = 240 seconds Required: Current (I)

Q: If a wire 1,625 feet long has a resistance of 0.85 ohm, what is the resistance to the nearest tenth…

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Q: What is the voltage (in V) when the current is 168A and the resistance is 10ohms?

A: V= I.R Given V= ? I= 168 A R= 10 ohm

Q: A current of 1.5 A is flowing through a resistance of 22 Ω. What is the voltage difference across…

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Q: What is the power dissipated in a circuit if there is 3.0 N of resistance and there is 5.0 A of…

A: Answer             C) 75W solution We know that The power dissipated in the circuit is P= I2R Here I…

Q: A Watt is a unit of energy/second charge/second energy/charge charge/energy

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Q: What is the current flowing in the coil when the applied voltage in a motor resistance of 3.4Ω is…

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Q: What is the current in a circuit with a 120 V voltage supply and 500 Ohms of resistance ?

A: According to ohm's law Current in circuit, I = V/R    I = 120/500 I = 0.24 A

Q: The current in a 120-V reading lamp is 2.6 A. If the cost of electrical energy is $0.075 per…

A: Given data The potential difference across the lamp is Vo=120 V The current in the lamp is Io=2.6 A…

Q: A transformer has a primary coil with 6000 windings and a secondary coil with 120,000 windings.  If…

A: Given value--- Number of turns in primary coil = 6000. Number of turns in secondary coil = 12000 .…

Q: If the potential difference across a length of wire is 3V and the resistance is 5Ω.…

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Q: The voltage across a circuit is 120 V. If the 10-ohm resistor in the circuit is replaced with a…

A: Given: The supply voltage is 120 V. The itnial resistance of the circuit is 10 Ohm. The final…

Q: What is the primary voltage of a transformer if the ratio is 20:1 and the secondary voltage is 240…

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Q: A small light bulb is connected to a 110 V battery and draws 13 A of current. What is the net…

A: A load (like a bulb) when connected with a battery of voltage V, then the current in the circuit is…

Q: The Total Electrical energy consumed for a month kwh and the Total cost of electricity consumption

A: Given: Cost of electricity per KWH is =15Bz Voltage, V=220V Current, I=3A

Q: If a 120-ohm resistor is in parallel with a 60-ohm resistor and a 9-V battery what is the total…

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Q: In a simple electric circuit, a 24-ohm resistor is connected across a 6.0-volt battery. What is the…

A: Resistance (R) = 24 ohm  Potential difference provided by the battery (V) = 6 volts

Q: A transformer is designed to step down the 220 V. line voltage to 16 V. If there are 1,067 turns on…

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Q: If a 2000.0 ohm resistor has a current of 1.5 Amps going through it, how much power does it turn…

A: The expression for the power is,

Q: How much current does a 1500 Watt heater draw if supplied with a 120 Volt source?

A: Given Data: Power, P = 1500 W Voltage, V = 120 V   Solution: Current, I = P/V = 1500 / 120 = 12.5 A