A transformer is comprised on 121.92turns on the primary and 35.82 turns on the secondary.  If the desired secondary voltage is 12.18 volts, what should the voltage be on the primary?

Q: A transformer for a distribution line receives 12 volts ac and step up to 240 volts ac. The…

A: a) Find the number of turns in the primary coil. NP=VPVS×NS=12 V240 V×300 turns=15 turns b) Find the…

Q: The cause of the alternating current in the secondary coil of a transformer is an emf produced by…

A: Whenever a source of varying voltage is applied at the primary of a transformer then a varying…

Q: For Transformer winding1 N1=1000 turns, N2= 200 turns and V1=220 Volts, secondary resistance of 22…

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Q: A transformer has 60 turns in the primary and 1935 turns in its secondary. The voltage across the…

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Q: A step-down transformer operates on a 2.5-kV line and supplies a load with 80 A. The ratio of the…

A: secondary voltage

Q: 5. A 60 kVA, 1600V/100V, 50 Hz, single-phase transformer has 50 secondary windings. Calculate (a)…

A: Given :-  v1 = 1600 V v2 = 100 V f= 50Hz N2 = 50 turns a)  rating of transformer =  v1 I1 =  V2I2  =…

Q: A transformer has 512 turns on its primary and 116 turns on its secondary. (a) Is this a step-up or…

A: A transformer that increases the voltage from primary to secondary (more secondary winding turns…

Q: An ideal neon sign transformer provides 9330 V at 29.0 mA with an input voltage of 110 V. Calculate…

A: In case of ideal transformer, Pin= Pout Power = voltage× current Pin= input power= vinIin Where, Vin…

Q: A transformer has 150 turns in the primary col and 333 tums in the secondary col. If the primary…

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Q: 1. Determine the efficiency of a transformer if the power output is 500 MVA and the power input is…

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Q: In a non-ideal transformer, provide a physical explanation as to why the current in the primary coil…

A: consider the transformer arrangement as shown

Q: A 6 KVA, 100 V / 500 V, 1-ph transformer has a secondary terminal voltage of 487.5 volts when…

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Q: The primary coil of a transformer has 329 turns; the secondary coil has 1000 turns. An alternating…

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Q: A transformer transfers 220,000 W of the 250,000 W of energy supplied to it. How efficient is the…

A: Given value--- input power = 250000 W. output power = 220000 W. We have to find--- efficiency of…

Q: The power in the secondary of a transformer is 1800 W. Transformer has a primary coil with 110 turns…

A: Power in the secondary coil of transformer = 1800 W  Number of turns in secondary coil = 200 Number…

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: A transformer consist of a primary coil connected to a 120 V source that drive 4 A of current…

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Q: A transformer consists of 600 primary windings and 800 secondary windings. The Voltage across the…

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Q: The primary of a transformer has 120 turns, while the secondary of the same transformer has 300…

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Q: A transformer has 200 turns on its primary and 12 turns on its secondary. If the input voltage is…

A: Given data:  Np = 200 and Ns = 12 Vp = 2000 N Required: The output voltage (Vs)

Q: 12. A 600 kVA, 2000/200V  transformer has a primary winding resistance of 0.6Ω and a secondary…

A: Given- Power = 600 KA Primary voltage V1=2000 V Secondary voltage V2=200 V Primary winding…

Q: 3 .Lamination of the transformer core is made of cast steel.  True False 19. AC reverses its…

A: 13 .Lamination of the transformer core is made of cast steel

Q: A multipurpose transformer has a secondary coil with several points at which a voltage can be…

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Q: The power output of a transformer is 500 W. The input voltage is 120V. The output current is 50A The…

A: Given data: Power output (Ps) = 500 W Input voltage (Vp) = 120 V Output current (Is) = 50 A…

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

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Q: A transformer has 600 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given data: Number of turns on primary coil is Np=100. Number of turns on secondary coil is Ns=600.…

Q: A transformer has 450 turns in the primary coil, which provides 1270 V at 8.9 A.   If the secondary…

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Q: A student needs to reduce the percent power loss by 100 times by using a transformer. What would the…

A: Power loss (Ploss) = I2R ...... (1) Here, I is the current and R is resistance As I = P/V .......…

Q: A transformer consisting of two coils wrapped around an iron core is connected to a generator and a…

A: Transformer is a device which works on the principle of electromagnetic induction. A step-up…

Q: The voltage and current on the primary of a transformer are 39.61 volts and 9.49 amps, respectively.…

A: Given: The voltage of the primary coil = 39.61 v Current in the primary coil  = 9.49 A Voltage in…

Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 350…

A: Given: The voltage across the primary winding is 350 V. The number of turns in the primary winding…

Q: A transformer has a coil of 1000 turns wound on its central core and the terminals of the coil are…

A: Number of turns on primary coil (n) = 1000Number of turns on secondary coil (N) = 50Input supply…

Q: TRUE or FALSE: An ideal transformer does not consume electrical power

A: A transformer consumes some power and heated up even there is no load. This is called no load loss.

Q: A transformer has a primary coil with 100 turns and secondary coil with 250 turns. The input voltage…

A: Given: Number of primary coil Np = 100 Number of secondary coil, Ns = 250 Input voltage, Vin = 150 V…

Q: A 2 kV/250 V transformer has 50 turns on the secondary winding, then the number of turns on the…

A: Given: primary voltage,     V1 = 2000 V secondary voltage, V2 = 250 V secondary turns    , n2 = 50

Q: A transformer has 472 turns on its primary and 108 turns on its secondary. (a) Is this a step-up or…

A: Therefore it is a step down transformer

Q: which of the following statements is not true for a step-up transformer? a. the secondary current…

A: A step up transformer has number of turns in secondary coil is more than the number of turns in…

Q: A transformer has 482 turns on its primary and 128 turns on its secondary. - If a voltage of 118 v…

A: Given data The number of turns in the primary is N1=482 turns The number of turns in the secondary…

Q: instrument requires 2.500 A current to operate. The primary coil of a transformer draws a 5.000 A…

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Q: The secondary coil of a step-up transformer provides the voltage that operates an electrostatic air…

A: Given:Coil ratio,NsNp=431Primary voltage=120 Vsecondary coil current, is=1.6×10-3 A

Q: The current in the secondary coil of a step-up transformer is 0.86 A when the current in the primary…

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Q: Which of the following statements is true for a step-down transformer? Select two answers.  a.…

A: A step down or step up transformer changes the primary and secondary voltage as well as the…

Q: In a transformer, a primary winding has 220V and 1A. If the second winding has 460V, what is the…

A: Given:potential, V1 = 220 VCurrent, I1 = 1 Apotential, V2 = 460 V It is required to find the output…