A transformer has a primary coil with 120 turns and secondary coil with 2000 turns. Transformer runs at 1800 Watts. This is an example of   A. Not enough information to say what type of transformer.   B. Step down transformer because number of turns in the primary is more than the number of turns in the secondary.   C. Step up trnasformer because number of turns in the secondary is more than the number of turns in the primary.   D. Neither step up nor step down transformer because it runs at very high power.

Q: A step-down transformer (turns ratio =1:8) is used with an electric train to reduce the voltage from…

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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 transformer has 700 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Number of turns in secondary coil (N s) = 700 Number of turns in secondary coil (N p) = 100 Primary…

Q: A transformer has 400 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given :     Number of turns in primary, NP = 100    Number of turns in secondary, NS = 400…

Q: A transformer has 700 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given number of turns in primary coil NP  = 100 and in secondary coil Ns = 700 and the voltage on…

Q: Question 3: A transformer consists of two coils of wire wound on a core. The figure below shows ome…

A: A transformer is a device that transfers electric energy from one alternating-current circuit to one…

Q: A transformer has 670 primary and 230 secondary turns. An alternating potential of 70 V is applied…

A: Given data:Vp=70 V The number of primary turns is Np=300 The number of secondary turns is Ns=230…

Q: .  A laptop computer requires 24 volts to operate properly.  A transformer with 600 turns in the…

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Q: A transformer is designed for use in a model train. The input voltage is 120 V and the output needs…

A: Given: The input voltage is 120 V. The output voltage is 9.0 V. The output current is 2.50 A.…

Q: A step-down transformer converts 120 V to 5 V in a phone charger. If the primary coil has 600 turns,…

A: The voltage and number of turns relationship for a transformer is: NsNp=VsVp Here, Ns and Np…

Q: What is the type of core material of the transformer?  a. Silicon steel b. Iron c. Copper d.…

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Q: A high-intensity desk lamp is rated at 45 W but requiresonly 12 V. It contains a transformer that…

A: Power, P=45 W  Voltage in secondary, Vs = 12 V  Voltage in primary, Vp=120 V

Q: For the following statements, identify which are True and which are False. If False, please explain…

A: (a) True (b) False  Because step up transformer convert the low voltage to higher voltage. That…

Q: A transformer has a turn ratio of NP/NS = 2/7. The transformer is connected to a 120-V line. (a)…

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Q: A transformer has 400 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given: The number of turns in primary coil is N1=100 The number of turns in secondary coil is…

Q: An iron core transformer is as shown in the figure. The primary coil has Np = 2000 turns and the…

A: The number of turns in the primary Np=2000 turns The number of turns in the secondary Ns=5000 turns…

Q: A transformer has 110 loops on the primary side and 880 on the secondary.... A. If you have 6.7V as…

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Q: A transformer is used to supply a 14 V model train with power from a 138 V wall plug. The train…

A: A 14 V train is supplied power by a 138 V wall plug.

Q: What is the name of the transformer, which produces the variable output voltage? a. Power…

A: Option d is the right answer  Auto transformer

Q: Q- Explain how a step-up transformer differs from a step- down transformer. Q- The transformer used…

A: A transformer

Q: A plug-in transformer, like that in the figure below, supplies 9.00 V to a video game system. Vst…

A: The input voltage(Vp) and the number of turns in primary coil(Np) are related to the output voltage…

Q: A transformer consists of 275 primary windings and 834 secondary windings. If the potential…

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Q: An AC voltage of 12.0 V is applied to the primary of a transformer that has 3 times as many turns in…

A: The equation for a transformer is given by VPVS=NPNS  (1) Here, VP is the voltage in primary coil,…

Q: a step down transformer has an output of 12v and .5A when connected to a 120V line. assume no…

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Q: Neon signs need 12,000 V to operate.  If a transformer operates off a 240 V source and has 1000…

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Q: A plug-in transformer supplies 9.00 V to a video game system. (a) How many turns are in its…

A: For a transformer, VsVp=NsNp=IpIs…

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 with 1800 turns in the primary and 300 turns in the secondary is used in an electric…

A: For transformer Np/Ns=Vp/Vs=Is/Ip using this equation we have.

Q: 1.A transformer has 25 turns in the primary coil and 200 turns in the secondary coil.  If 24 V is…

A: As per the guidelines firs question is answered. Kindly post second question as a new question.

Q: A transformer has 900 turns on its secondary and 100 turns on its primary. The primary is connected…

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Q: 20. Suppose the AC voltage from power company is 17,000 V. Two transformers are used to step down…

A: Consider the formula for the turn ratio of the transformer in relation with the voltage is,…

Q: The primary voltage in a transformer is V,= 120 Volts. The number of turns in the primary coil is…

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Q: A transformer is used to supply a 14.5 V model train with power from a 132 V wall plug. The train…

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Q: What will happen to the voltage if there are more turns on the primary coil than the secondary coil?

A: Apologies. We only answer one question at a time. we will answer the first one as the exact others…

Q: Jorge has an electrical appliance that operates on 120 V. He will soon be traveling to Peru, where…

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Q: A transformer is used to supply a 19 V model train with power from a 116 V wall plug. The train…

A: According to the ideal transformer, the relation is  VsVp=NsNp=IpIs where,  Vs and Vp is the voltage…

Q: What are transformer and also explain the difference between step-up and step down transformers?

A: An electronic setup designed to change the alternating current from one particular voltage to…

Q: #5. (a)The primary coil of a step-up transformer is connected to a dc power supply via a switch. If…

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Q: Transformers (cont.) Part E- The primary coil of a transformer has 200 turns and the secondary coil…

A: Since the efficiency is not given, it is considered to be 1

Q: Which of the following are true? Select all that apply. When more wraps are added to a primary coil…

A: Transformers works on the principle of mutual induction.

Q: primary coil of a transformer in a toy electric car has 300 turns and the secondary coil has 30…

A: NUMBER OF TURNS IN PRIMARY COIL , NP = 300NUMBER OF TURNS IN SECONDARY COIL , NS = 30VOLTAGE APPLIED…

Q: You have a transformer with a primary current of 34A and a primary voltage of 1960V. The current in…

A: Primary current (Ip) = 34 A Primary voltage (Vp) = 1960 volts Secondary current (Is) = 143 A

Q: A transformer has a voltage in the primary coil of 691V and a voltage in the secondary coil of…

A: Given Data: Voltage in primary coil (Vp) = 691 V Voltage in secondary coil (Vs) = 2298 V