Q: A transformer has 240 windings in its primary coil and 50 in its secondary coil. If the secondary…
A:
Q: The primary coil of a transformer with 954 turns carries an EMF of 2.2. If the secondary coil has…
A:
Q: The magnetic field of 8.9 T is___________G
A: We need to convert 8.9 T to Gauss units.
Q: An electric clothes dryer is rated at 5,400 W. How much energy does it use in 25 min? kWh
A:
Q: A step up transformer has 79 turns in the primary coil and 425 turns in secondary coil. The primary…
A: Given, Number of turns in the primary coil=79turns Number of coil in the secondary coil=425turns…
Q: a transformer has a primary coil with 5000 windings and a secondary coul with 100,000 windings. if…
A:
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: Find the resistance of a light bulb that is connected to a 120-volt line and has a current of 0.5…
A: According to the ohm’s law,
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: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 230…
A:
Q: Differentiate AC generator from DC generator.
A: In an AC generator, the alternating current that reverses its direction periodically is generated,…
Q: A step-up transformer has 42 turns in primary coil and 439 turns in the secondary coil. The primary…
A: We know that Vs/Vp = Ns/Np Vs = NsVp/Np
Q: A transformer has a primary voltage of 12,470 volts and a secondary voltage of,400 volts. If the…
A: According to question--- Given value--- primary voltage = 12470 V. secondary voltage = 400 V.…
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: What battery voltage is necessary to supply 0.64 A of current to a circuit with a resistance of 15…
A: current (I) = 0.64 Ampere Resistance = 15 ohm Using relation between voltage , current and…
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: A step-down transformer has 600 V across the primary coil and 120 V across the secondary. The…
A:
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: The resistance (in Ω) of a light bulb rated 120 W, 240 V that draws an electric current of 1 A is
A: Given Power rated is P=120 W Voltage rated is V= 240 V Find the resistance of a light bulb.
Q: A transformer has an input of 80 V and an output of 55 V. If the input is changed to 74 V, what the…
A: The initial input of the transformer is Vi = 80 V. The initial output of the transformer is Vo = 55…
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: Immediately after the switch closes, the current in the circuit is 1 ΜΩ + 45 V 3 µF
A:
Q: What is the cost of operating a 54.64-W light for a year if the cost of electricity is $0.2 kWper hr…
A: Power (P) = 54.64 Watt= 0.05464 kW cost = $0.2 kW per hr time (t) = 1 year
Q: An electric clothes dryer is rated at 2,300 W. How much energy does it use in 35 min? kWh
A:
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: How much charge is represented by 4,600 electrons?
A:
Q: A transformer has a voltage input of 120 V and an output of 1500 V. If the primary coil has 200…
A:
Q: What is the inductance of a coil whose resistance is 118 Ω if it draws 0.42 A from a 112-V, 53-Hz…
A:
Q: What is the power rating of a television set which draws a current of 2 A from a 220-volt outlet?
A:
Q: What battery voltage is necessary to supply 0.35 A of current to a circuit with a resistance of 10…
A: According to ohms law, V = IR Here, V is the voltage, I is the current, R is the resistance.
Q: If the unit cost of electricity in Luzon is PhP 8.9951 per kWh, what is the total cost (capital plus…
A: Given data: Cost of electricity = PhP 8.9951 per kWh Power (P) = 28 W Time (t) = 1000 h Capital cost…
Q: What battery voltage is necessary to supply 0.64 A of current to a circuit with a resistance of 22…
A: Ohm’s law is given by
Q: transformer is designed to step down the 220 V. line voltage to 47 V. If there are 1,183 turns on…
A: Transformers works on phenomenon of mutual induction
Q: What is the inductance of a coil whose resistance is 111 Ω if it draws 0.82 A from a 120-V, 53-Hz…
A:
Q: What battery voltage is necessary to supply 0.54 A of current to a circuit with a resistance of 13…
A:
Q: A battery has ɛ= 30 V,
A:
Q: A generator produces 35 A of current at 240 V. The voltage is increased to 12,000 V using a step-up…
A:
Q: The current is 25 A and the voltage is 500 V. Which is the power?
A:
Q: 400 kV 13 kV 12 kV 240 V Power plant 1. High-voltage transmission line 3. 2.
A: If the number of turns in the primary coil is more than the secondary coil, the transformer is step…
Q: silver has a resistance of 1.98x 12-4 ohms what voltage would produce a current of 100A?
A: The resistance of silver, R=1.98×12-4 Ω The current, I=100 A
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: A model-train transformer plugs into 120-V ac and draws 0.32 A while supplying 7.8 A to the train.
A:
Q: Which sources produce alternating current?
A: There are many sources which are producing the alternating current.
Q: A transformer is designed to take an input voltage of 120V AC and output it to 9 V AC. If there are…
A: Solution,
Q: The magnetic field of 8.9 T is_ G
A: Magnetic field is an area around an moving charged particle which produces magnetic field. Tesla 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
Step by step
Solved in 2 steps
- A 75 kVA transformer has a secondary voltage voltage of 480 volts and a current of 183 amperes. Is this transformer being operated within its power rating?A transformer connected to a 117.58 V line delivers 10.62 V to a secondary circuit. If power drawn from the primary circuit is 295.83 W, what is the equivalent resistance of the secondary circuit?A transformer has 130,000 turns in its primary coil and is connected to an ac power supply of 48.0V. The secondary coil contains 4000 turns and is connected to a 150.0 ohm load. 1) voltage of the secondary coil 2) current in secondary coil
- A transformer has 100 turns on the primary and 500 turns on the secondary. The primary is connected to an alternative current source of 100 volts. Find the voltage in the secondary coilThe primary coil of a transformer with 954 turns carries an EMF of 2.2. If the secondary coil has 7847 turns, what is its EMF?A transformer with primary 510 windings and 5,825 secondary windings has an input voltage of 137 AC. what is the output voltage?
- A transformer is connected to a 120 V input voltage. There are 228 turns of wire on the input coil. The output voltage is 6000 V. How many turns of wire are there on the output coil?A voltage of 220 volts enters a transformer with 150 turns of coil on the primary side. If an appliance needs 50 V, how many coils should be on the secondary sideA transformer has a primary voltage of 12470 volts and a secondary voltage of 2400 volts. If the secondary current is 22.6 amperes, what is the primary current (disregard excitation current)?