A transformer with a 120 V input voltage has 2000 turns of wire on the input coil and 197 turns of wire on the output coil. What is the output voltage?

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: The primary of a certain transformer has 2.7 turns per volt of applied voltage. How many turns must…

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Q: A transformer is designed to step down the 220 V. line voltage to 31 V. If there are 1115 turns on…

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Q: A transformer has 8,092 turns on the primary coil and 213 turns on the secondary coil. The RMS…

A: Number of turns on primary coil, Np = 8092 Number of turns on secondary coil, Ns=213 RMS voltage on…

Q: An electric clothes dryer is rated at 2,200 W. How much energy does it use in 45 min?

A: Write the formula for power.

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

A: calculation

Q: A 22-ohm resistor is in series with a 12-V motor that is drawing 150 Ampare of current. How much is…

A: Solution: Given that R =22 ohm voltage of  motor = 12 V I = 150 Amp

Q: The supply voltage from the autotransformer to the filament transformer is 60 V. If the turns ratio…

A: supply voltage = 60 volts Turns ratio of filament transformer = 12

Q: How much does it cost to run a 1500-W hair dryer for 27 minutes each day for one month (30 days) at…

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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: A transformer has exactly 600 turns on its primary and exactly 200 turns on its secondary. if a…

A: It is given that, np=600ns=200Vp=100 VIp=0.250 A

Q: What is the current produced by a voltage of C. 240 V through a resistance of 0 2 0?

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Q: How much power is used by a contact lens heating unit that draws 0.04 A of current from a 194 V…

A: Given data:  Current (I) = 0.04 A Voltage (V) = 194 V Required: Power (P)

Q: How much does it cost to run a 1500-W hair dryer for 29 minutes each day for one month (30 days) at…

A: Total Power ( P ) = 1500 W = 1.5 kWatts Time = 29 minutes each day for 30 days Total Minutes of…

Q: A transformer has a primary with 4000 windings and a secondary coil with 78,000 windings. If the…

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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: What is the current (in amperes) drawn by an 840 W toaster attached to a 120 V outlet?

A: Given that            The power of the toaster is (P) = 840W            The voltage (V) = 120V We…

Q: What is the Voltage needed to have 10 amps of current pass through a 4 ohm resistor?

A: Required : Voltage required.

Q: A pair of power transmission lines each have 2.40-Ω resistance and carry 750 Amp. If the primary…

A: Given Data: Ns = 10 Np = 1 Vp = 2 kV

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

A: Voltage of primary coil , Vp = 120 V Voltage of secondary coil , Vs = 9 V Number of turns on…

Q: 220 V is supplied across 1200 windings of the primary coil of the autotransformer. If 1650 windings…

A: Voltage , V  = 220 V  Windings , N1 = 1200  Windings , N2 = 1650  To find = voltage

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: A transformer with primary 712 windings and 5,275 secondary windings has an input voltage of 101 AC.…

A: Np=712Ns=5275Vp=101 AC

Q: what will be the voltage in the secondary winding of a transformer if the turns ratio is 4:8 and the…

A: Np : Ns = 4 : 8 Vp = 20 V Vs = ?

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

A:

Q: How much does it cost to run a 1500-W hair dryer for 18 minutes each day for one month (30 days) at…

A: The equation for the electrical energy consumed is given by

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: 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: A step-down transformer is to be used to convert an ac voltage of 120 V to 5 V to power an electric…

A: Given, a step down transformer.voltage across the primary coil =120 Vvoltage across the secondary…

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: What is the power rating of a television set which draws a current of 2 A from a 220-volt outlet?

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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: Energy is distributed to households from electrical substations as an ac signal…

A: Number of turns of secondary coil, Ns= 190 Input or source ac signal,…

Q: An electric clothes dryer is rated at 3,400 W. How much energy does it use in 30 min?

A: power of electric cloth dryer (P) = 3400 W time (t) = 30 min

Q: What is the yearly cost of operating a 100-W television for 2 hours per day, assuming the cost of…

A: Given data: Power (P) = 100 W Daily uses = 2 hours per days Cost of electricity = Php 11.00 per kWh…

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 transformer is connected to a 120 V input voltage. There are 228 turns of wire on the input coil.…

A: the relation between the voltages and numbr of turns in a transformer is

Q: A light bulb is plugged into a 120-Volt outlet and has a 0.6 A current in it. What is the power…

A: Potential of the outlet = 120 volts Current (I) = 0.6 A

Q: A transformer with more windings on the primary coil than on the secondary coil...

A: Given, A transformer which has more winding turn in primary than secondary.

Q: A transformer is designed to step down the 220 V. line voltage to 17 V. If there are 1,551 turns on…

A: Given: The input voltage is Vi = 220 V. Voltage in the output coil is Vo = 17 V. The number of turns…

Q: What is the inductance of a coil of wire that generates a voltage of 1 V when the rate of change in…

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Q: A transformer consists of a 781-turn primary coil and a 6809-turn secondary coil. If the current in…

A: Find the primary current flows in the transformer. N1N2=I2I1N2N1=I1I2I1=I2N2N1I1=2.78 A6809781=24.2…

Q: The generator at a power plant produces AC at 23,000 V. A transformer steps this up to 365,000 V for…

A: