Which of the following does not change in a transformer

Q: If the number of turns of a transformer in primary is lesser compared with the secondary therefore…

A: Transformer is static device which consists of two or more stationary Electric circuits interlinked…

Q: A 8 kVA, 100 V /600 V single phase transformer has a secondary terminal voltage of 581.8 V when…

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Q: The open circuit voltage of a transformer is 248 V and its % regulation is 2.5 %, then the value of…

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Q: Primary current in a current transformer is determined by Group of answer choices The load on its…

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Q: In relation to a transformer, the ratio 20 : 1 indicates that

A: In relation to a transformer, the ratio 20:1 indicates that for 20 turns on primary, there is one…

Q: In the transformer if the losses are less then

A: Need to find if in the Transformer losses are less then what

Q: Isolation transformer is used for purpose.

A: isolation transformer is used in the system which is not at the ground potential and in other…

Q: why the Rc is in parallel with Xm for equivalent circuit of transformer

A: Rc is centre misfortune, which implies you need to think about the centre material and the related…

Q: During the load test of a transformer, as the load increases secondary voltage of the transformer

A: In the question , Fill the blank During the load test of a transformer, as the load increase…

Q: The primary of a transformer has 200 turns and is excited by a 60Hz, 110v source. what is the…

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Q: A step-down transformer has a turn ratio of 8:1. If the primary voltage is 120 Vms, what is the seco…

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Q: The magnetization current of transformer depends on: Select one:

A: The magnetization currrent of transformer depends on

Q: 1. An ideal 200W transformer has an input current of 2 A and an output voltage of 120 V. Determine…

A: As per the guidelines of Bartley we supposed to answer first question only.

Q: A transformer with a 240-V ac primary voltage and a 6:1 turns ratio has an output voltage of O 1,440…

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Q: In your own understanding what do you understand by step down transformer

A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…

Q: A 220/1100 V transformer takes no-

A: Given, V = 220V Ino load=3 AP=150Wcos ϕ=? Iw=wattful component of transformerIw=Ino load cosϕ

Q: The effective resistance seen looking into the primary of a 15: 1 transformer connected to an 8 Q…

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Q: Specify the winding of the power two-winding transformer Select one or more: O a. 1 O b. 4 O c. 3 9…

A: Transformer:  The transformer is a static electrical device which transfers power from one circuit…

Q: device may be used for extending the range of voltmeter . O shunts O series multiplier current…

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Q: In a transformer action when the power is kept same, the primary & secondary voltages and currents…

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Q: A16 The turns ratio of a isolating transformer is

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Q: In transformer, the short circuit test is used to determine

A: Tests to be performed on a transformer to determine the equivalent circuit parameters of…

Q: 1. An ideal 200W transformer has an input current of 2 A and an output voltage of 120 V. Determine…

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Q: A transformer works at 2 KVA with a primary voltage of 96 V. If the load voltage is 230 V ,then the…

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Q: transformer is used to provide a degree of safety from the mains input supply.

A: Need to find which Transformer is used for the degree of safety from main supply

Q: How do we determine which sides of a Transformer is a primary and secondary? Explain briefly your…

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Q: Choose the correct statement. A step-up power transformer has "a" greater than 1. O A step-up power…

A: In this question we need to choose a correct option.

Q: When a particular transformer has 8.3 mA applied to its primary coil, 2.5 mA is measured through its…

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Q: The Transformer core is laminated in order to: Select one:

A: The solution is provided in the following section:

Q: In transformer, the power will with decrease in current. O decreases O be doubled remain same O…

A: Transformer is constant power and constant frequency device. In transformer current and volatages…

Q: - Determine the reflected impedance in a transformer if the turns ratio is 4:1 step-down and Z1=250…

A: From the Ideal Transformer Concept

Q: i.The turn's ratio of a Step-Down Transformer is 220/110. Identify the ratio of voltage in the…

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Q: to change Transformer is a device which uses the phenomenon of the values of alternating voltages…

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Q: In a transformer if the primary current is less than secondary current, then the type of transformer…

A: Transformer- It transfers electrical energy from one circuit to another through the process of…

Q: In transformer the short circuit test is used to determine the copper loss.

A: The copper loss are due to the resistance of the wire in the primary and secondary windings. In…

Q: The open circuit voltage of a transformer is 240 V and its % regulation is 2.5 %, then the value of…

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Q: In a transformer 480 V input and 208 V output and 100 turns in the secondary. Determine the turns of…

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Q: Which of the following quantities is increase in a step-down transformer? O Current O Voltage O…

A: As per the definition, the transformer is a device that can convert one voltage level to another…

Q: 2. When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary…

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Q: 10. In a step-down transformer, the number of turns in the secondary coil is 20 and the number of…

A: Given data, Number of turns in secondary coil Ns=20 Number of turns in primary coil Np=100 Voltage…

Q: In a step up transformer, number of turns in the primary winding is lesser than the number of turns…

A: We need to tell about number of turn in step up transformer.

Q: QUESTION 29 The purpose of a transformer is to O transfer power O transfer current O transfer…

A: This question belongs to electrical machine . It is based on the concept of transformer . Have a…

Q: The open circuit test in a transformer is used to measure...also, keep secondary terminals

A: There are two types of tests performed in the transformer open circuit test short circuit test

Q: A transformer has a primary to secondary turns ratio of 1:15. Calculate the primary voltage…

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Q: 1. A voltage transformer has 1500 turns of wire on its primary coil and 500 turns of wire for its…

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Q: In transformer, the power will, with increase in voltage. O increases O decreases O be doubled O…

A: Transformer- The transformer is the static device the transfers electrical energy from one…

Q: 13 (i) The turns ratio of a Step-Down Transformer is 220/110. Identify the ratio of current in the…

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Q: A Transformer has turns ratio of 2:15. When the secondary turns is 300, what is the primary turns? O…

A: Given data Turns ratio K= 2:15                      K= 2/15                      K= 0.13333…

Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.