Say I want a transformer to step up voltage from 120 V to 300 V. If the primary coil has 1000 turns, how many turns would the secondary coil have?
Q: If you are planning to make an idea charger (step down transformer) with an output of 5.0V when it…
A: The required expression for the required ratio of output to input turns of coils is,
Q: An ideal transformer has 60 turns in its primary and 270 turns in its secondary. When 120 Volts AC…
A:
Q: A transformer is used to supply a 11.25 V mo with power from a 128 V wall plug. The train at 96 W of…
A:
Q: A transformer has 496 turns on its primary and 122 turns on its secondary. (a) Is this a step-up or…
A: (a) For transformer, Here, Vs, Vp, Np and Ns represent the secondary voltage, the primary voltage,…
Q: A. Calculate the secondary number of turns of the given transformer and Identify the types used.…
A: The transformer equation relating the primary and secondary voltages to the number of turns in the…
Q: A 2 kV / 248 V transformer has the secondary turns of 76. The number of Primary turns of a…
A: Given, A 2 kV/248 V transformer has, The secondary turns of transformer, N2=76 The primary turns of…
Q: A transformer converts 150V to 30V. If the maximum input current is 2.8A, find the maximum output…
A: Given that, Primary Voltage, Vp =150 V Secondary Voltage, Vs =30 V Primary current, Is=2.8 A…
Q: A 2.5 HP motor operates at 1725 RPM when connected to 120 Volts (single phase, 100% efficient). How…
A: Given: The power of motor is 2.5 HP. The speed of motor is 1725 RPM. The voltage is 120 V.
Q: A step-up transformer is designed to produce 1610 V from a 115-V ac source. If there are 392 turns…
A: The transformers are most commonly used in the power transmission of energy that is electrical in…
Q: the 2 independent ultrasound waves of frequencies 5 MHz and 15 MHz travel in the same homogeneous…
A: Given the frequencies the question aims to determine:the relation between the speed frequency and…
Q: A transformer has an input of 6 VV and an output of 72 VV . If the input is changed to 12 VV , find…
A: solution:
Q: A transformer is created with a 200 V input and 1200 coils in the primary. If the output voltage is…
A: The transformer equation relates the primary and secondary voltage with the number of coils of the…
Q: A transformer with 100 turns in its secondary coil supplies 8.0 V to the light in a toy. The primary…
A:
Q: A transformer is used to step down the 120 V AC power in an outlet to 5.00 V for a radio. If the…
A: We have N1N2=V1V2
Q: A transformer has 150 turns in the primary col and 333 tums in the secondary col. If the primary…
A:
Q: A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side,…
A: The expression for total resistance, which is referred to primary,
Q: Calculate the voltage (Volts) induced in a coil which has 200 turns where the total flux changes…
A:
Q: A transformer has 500 turns on its secondary and 100 turns on its primary. The primary is connected…
A: a) Let the primary winding’s number is Np and the secondary winding’s number is Ns. The voltage in…
Q: The output power of an ideal transformer is
A: The output power of an ideal transformer is always same as input power. because transformer does not…
Q: A coil has an inductance of 0.81 mH and a resis connected to a 21 V battery. After how many tim…
A: GivenL=0.81 mHR=0.65 ohmV=21 V
Q: A transformer with more primary turns than secondary turns will produce a secondary voltage higher…
A:
Q: The instantaneous values of alternating current and voltages in a circuit are given as i= -sin (100…
A: Maximum value of current, im=12 Maximum value of voltage, em=12
Q: A plug-in transformer supplies 9.00 V to a video game system. (a) How many turns are in its…
A: Given value--- Output voltage = 9 V. input voltage = 120 V. Number of turns in primary coil = 388 .…
Q: The mutual inductance between two unity coupled coils of 9 H and 4 H will be ?
A: Given two coils having, L1 = 9 H L2 = 4 H Unity coupled, K =1
Q: oltage of 120 volts and a secondary voltage of 18 volts. The primary excitation current is 0.25 amp.…
A: Given;- A transformer has a primary voltage of Vprimary = 120 volts A secondary voltage of…
Q: When 9 A of AC current at 123 V flows in the primary coil of an ideal transformer, how many amps at…
A:
Q: Question 17 The primary coil of a transformer has 100 loops and is connected to a circuit with 120…
A: Concept
Q: calculate the peak voltage (in v) of a generator that rotates its 225 turn, 0.100 m diameter coil at…
A:
Q: Calculate the peak voltage (in V) of a generator that rotates its 180 turn, 0.100 m diameter coil at…
A: Number of turns is Diameter of coil is Magnetic field is Angular velocity is Note:Find:Peak voltage…
Q: In a sunnier location than Eugene, the sun shines for an average of 2000 hours per year. A home…
A:
Q: 4. An ideal transformer has a primary voltage of 17 Va secondary voltage of 2.55 V, 200 primary…
A:
Q: The open-circuit voltage of 240 V and the full load secondary voltage of 230 V, then the %…
A: The voltage regulation measures variation in the secondary terminal voltage inside a transformer as…
Q: Write the equation for an alternating voltage that has a peak value of 255 volts, a frequency of 180…
A: Given data The peak value of the voltage is Vo = 255 V The frequency of the alternating voltage is f…
Q: Calculate the peak voltage (in V) of a generator that rotates its 220 turn, 0.100 m diameter coil at…
A:
Q: A Transformer having 1200 Primary turns connected to a 252 V a.c. supply. For a secondary Voltage of…
A: The transformer is a device that transfers electric energy from one AC circuit to one or more…
Q: certain step-down transformer brings the 120 V AC to 10 V AC. If the input coil has 450 turns, how…
A: We know that in case of transformer VS / NS = VP / NP VS = SECONDARY VOLTAGE = 10 V NS = SECONDARY…
Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 230…
A:
Q: A step-up transformer has a ratio of 1:5. If the output voltage is 220V, what is the input voltage?…
A: According to the given data transformer ratio =1:5 output voltage =220v We need to find input…
Q: An alternating current completes 5 cycles in 8 ms. What is its frequency?
A:
Q: A certain house uses an average power of 485 Watts all day, everyday, for a 31 day month. If the…
A: The power (P) consumed by the house in a day is 485 W. The energy consumed by the house in a day can…
Q: Does a transformer work when a DC current flows through the primary? If not, why?
A: A transformer will not work if DC current is flown through the primary coil. Ac current is used to…
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: In a transformer, if the number of primary turns is less than the number of secondary turns, the…
A: Let the number of primary turns = NpLet the number of secondary turns = Ns Let the primary voltage =…
Q: Which of the following statement is true about the transformer shown in the sketch? 240V ÈR=6 N 60…
A: A step up transformer is a transformer that increases the voltage from primary to secondary. This…
Q: A step-down transformer is to be used to convert an ac volt- age of 120 V to 12 V to power an…
A: Answer:- Let Number of secondary coil = x We know that (Voltage output)/ (Voltage input) =…
Q: A transformer with 500 turns in the primary coil has to decrease the voltage from 4.4kV to 220v for…
A: Given data primary coil- N1=500 turns, V1=4.4 kV =4400 v secondary coil- V2=220 v and…
Say I want a transformer to step up voltage from 120 V to 300 V. If the primary coil has 1000 turns, how many turns would the secondary coil have?
Step by step
Solved in 3 steps