How many watts will a motor use if the voltage is 240 volts and the motor is drawing 40 amps of current?

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: A transformer has 320,000 turns on it's primary coil and 400 turns on its secondary coil. If 110V…

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Q: The generator at a power plant produces AC at 29,000 V. A transformer steps this up to 325,000 V for…

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Q: An electric toaster operating on 120 volts draws a current of 6 amperes. The resistance of the…

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Q: An electric heater plugs into a 120 V outlet and uses 1500 W of power. How much current does the…

A: Given: Voltage, V=120 V Power, P=1500 W To find: Current drawn by heater

Q: A simple electric circuit has a 34 V battery and a resistor of 3 ohms. What will be the current in…

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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 transformer with 1820 turns in its primary coil has to decrease the voltage from 5720 V to 220 V…

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Q: a transformer has 20 turns in its primary could and 500 turns in its secondary coil. if the primary…

A: calculation

Q: A light bulb has 20 ohms of resistance, and it consumes 50 W of power. How much current flows…

A: Resistance (R) = 20 ohm  Power (P) = 50 W

Q: The transformer on a model train set steps down the voltage from 120 Volts to 9.0 Volts. If the…

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Q: A series DC motor has a resistance of 8 2 between its terminals. The motor runs at 1,393 rpm at 230…

A: Initial Resistance, R =  8 ohm Initial Round per minute, N1=1393 Voltage, V=230 V Initial Current,…

Q: A simple electric circuit has a 24 V battery and a resistor of 6 ohms. What will be the current in…

A: Given data:  Voltage (V) = 24 V Resistance (R) = 6 Ω Required: Current (I)

Q: What is the power rating of a heating coil with a resistance of 12 ohms that draws a current of 20…

A: Given that the value of resistance and current then we have to determine the power rating of the…

Q: A flashlight with a resistance of 3 ohms produces a current of  9 A. What is the voltage of the…

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Q: How much current is “drawn” by a 75 W lightbulb connected to a 120 V outlet?

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Q: An electric water heater uses 3,517 W from a 220 V AC line.  What is the peak current, in amps?

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Q: The primary coil of a transformer has 130 turns. The secondary coil has 520 turns. If the secondary…

A: Given: The primary turn of the transformer is 130. The secondary turn of the transformer is 520. The…

Q: The generator at a power plant produces AC at 28,000 V. A transformer steps this up to 305,000 V for…

A: This question will be solved by formula of Transformer ratio.i.e., VoVi=NoNi here Vo and Vi are…

Q: If a toaster has a resistance of 60 ohms and is plugged into a 120 volt outlet, how much current…

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Q: A transformer with primary 998 windings and 6,765 secondary windings has an input voltage of 123 AC.…

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Q: A lamp draws a current of 125 milliamperes and has a filament resistance of approximately 50.0 ohms.…

A: According to Ohm's law, Voltage(V) = Current(I) × Resistance (R)

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: a transformer has 40 turns in its primary coil and 600 turns in its secondary coil. if the primary…

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Q: A transformer with primary 510 windings and 5,825 secondary windings has an input voltage of 137 AC.…

A: Given data: Number of primary windings, Np=510 Number of secondary windings, Ns=5825 Input voltage,…

Q: A resistor with a resistance of 10 ohms is connected in series with another resistor of unknown…

A: When multiple resistors are connected in series, the total resistance (Rtotal) of the circuit is…

Q: is the resistance of a lightbulb that uses 0.5 amps and 110 volts?

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Q: A transformer with 915 primary windings and 7,780 secondary windings has an input voltage of 155 AC.…

A: Data Given ,  No. Of primary windings ( Np ) =915 No. Of secondary windings ( Ns ) = 7780  Input…

Q: The generator at a power plant produces AC at 22,000 V. A transformer steps this up to 355,000 V for…

A: Given data: Voltage of primary coil (Vp) = 22,000 V Voltage of secondary coil (Vs) = 355,000 V…

Q: A transformer has a voltage input of 120 V and an output of 1500 V. If the primary coil has 200…

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Q: How much power is there in an electrical circuit of 5.73 Volts and carrying 56.9 Amps of current?

A: Answer :- Given :-  V = 5.73 V I = 56.9 Amp P =?  We know that              P =  V × I Where P is…

Q: How many coulombs of charge pass through a lamp in 2 minutes if the current is constant at 750 mA?

A: GIven:            Time (t) = 2 min = 120 s                    Current (I) = 750 mA = 0.75 A    (…

Q: A power station generates electricity at 25,000 V, which is then stepped up to 500,000 V using a…

A: Number of turns in primary coil is The primary voltage of the transformer is The secondary voltage…

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: 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: The generator at a power plant produced AC at 25,000 V. A transformer steps this up to to 305,000 V…

A: V1 = 25000 V  V2 = 305000 V  Turns on the input coil , n1 = 2050  To find = turns on the output coil…

Q: A transformer has a current with a voltage of 25000 V enter it passing through 12500 turns of wire.…

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