Why do transformers only work with alternating current? (State only what happens in the primary coil)
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: 5. A transformer has 150 coils in its primary coil which is connected to 50 V of AC supply. If its…
A:
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: A step up transformer on a 119.7 volt line has 40 loops on the primary and 178 loops on the…
A:
Q: Write about 10 applications of both Direct Current (DC) and Alternating Current (AC)
A: DC is most commonly produced by sources such as solar cells, batteries, and thermocouples. DC power…
Q: How a step up transformer works?
A: The transformer is a static electrical device that is used in many electronic devices like inverters…
Q: Transformer that are to be be connected in parallel must have indentical electrical characteristics.…
A: Transformers that are connected in parallel must have Same Phase Angle Shift, Same Polarity, Same…
Q: A transformer is designed for use in a model train. The input voltage is 120 V and the output needs…
A: Given that:- The input voltage, Vp =120 V The output voltage, Vs = 9.0 V The output current, Is…
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: Describe the mechanism for the occurrence of losses in transformer cores and how to reduce them?
A:
Q: Your company’s main competitor has built an extremely efficient transformer and is trying to market…
A: The low of conservation of energy states that energy can neither be created, nor be destroyed. It…
Q: A 700 V AC is connented to a transformer as input, the primary winding (input side) has 300 turns…
A: We are given the voltage of input. A transformer is device which step up or step down the input…
Q: How can you distinguish the primary winding from the secondary winding in a step-up transformer?
A:
Q: The secondary coil of a transformer has 440 turns, and produces an output AC voltage of 25.0 V when…
A:
Q: A step up transformer decreases current. O True O False
A: Applying conservation of energy on primary and secondary coil we can see Pp=Ps i.e. Power in…
Q: What is a transformer? Why does it work?
A:
Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 340…
A: Given data: Primary voltage (Vp) = 340 V Number of turns in Primary winding Np = 5120 Number of…
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: Given some differences between step up and step down transformer.
A: The main difference between step-up and step-down transformer is that, step-up transformer increases…
Q: a) Identify the type of transformer b) If the primary coil has 2 windings, calculate the necessary…
A:
Q: A transformer has 50 primary turns and 330 secondary turns. If 8.00 V of AC is applied to the…
A:
Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 350…
A: Given data: 350 V is the voltage across the primary winding. The principal winding has 355 turns in…
Q: In a step down transformer, how does the input current compare with the output current?
A: In a step down transformer, the output current is higher than the input current. Because the number…
Q: A transformer is used to lower the electrical supply voltage of 240V to supply power to a light bulb…
A: Primary Side voltage,V1=240V current,I1=0.15 A power,P1=V1xI1=240Vx0.15A=36 W Secondary Side…
Q: How does a motor compare with a generator? Briefly describe what they do and how they are different.
A: In motor current is not generated,here current is flown through a current carrying loop by external…
Q: My new cell phone requires 9 volts to operate correctlyA transformer nicely allows the device to be…
A:
Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 230…
A: Given that-The voltage of primary winding, V1= 230 VoltNumber of turns of secondary winding, N2= 290…
Q: Why is it important that the core of a transformer pass through both coils?
A: A transformer is a device which is used to convert the high voltages into low and vice versa for ac…
Q: Can we apply the principle of Electromagnetic Induction in a Transformer? Explain briefly your…
A:
Q: You have a transformer with 709 coils in the primary and an input voltage of 140 V. If you want an…
A: Given: The number of turns in the primary winding is 709. The input voltage is 140 V. The output…
Q: Name the transformer used in the (a) power generating station (b) power sub station. State the…
A: (a).The transformer used in the power generating station is step-up transformer of high voltage…
Q: What exactly does a step down transformer step down?
A: Step down transformer is used to drop the voltage from higher voltage to low voltage.
Q: What is the transformation ratio of a transformer having 40 turns on the secondary winding and 680…
A: Given data: Number of turns on secondary winding (Ns) = 40 Number of turns on primary winding (Np)…
Q: Neon signs require 12,000 V to operate. Suppose that a transformer for a neon sign is plugged into…
A:
Q: 26 in. 15 in. 31 in. 18 in.
A: Two figures are said to be similar if they are the same shape. In more mathematical language, two…
Q: A step up transformer on a 110.4 volt line has 54 loops on the primary and 121 loops on the…
A: This problem can be solved using the transformer equation.
Why do transformers only work with alternating current? (State only what happens in the primary coil)
Step by step
Solved in 2 steps
