primary coil of a transformer in a toy electric car has 300 turns and the secondary coil has 30 turns. How many volts will be induced when the primary coil is connected to a 9 V battery? The document you upload for this should show how you solved the problem as well as the final answer and correct unit for the answer.

Q: A transformer uses iron to make sure that all the magnetic flux passing through the primary…

A:

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

A: A transformer in which the output (secondary) voltage is less than its input (primary) voltage is…

Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…

A: The potential of the batteries is VB=9.0 V The current in the batteries is IB=249 mA The potential…

Q: The power adapters of devices we use contain transformers. In one such adapter, the input to the…

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: The primary coil of a step-up transformer is connected to a dc power supply via a switch. If the…

A: 1. The DC model of the transformer is just the winding resistors. Therefore, the primary current is…

Q: Remembering that your transformer has twice as many turns in the secondary coil as in the primary…

A: transformer has twice as many turns in the secondary coil as in the primary coil, what is the ideal…

Q: ► Transformer: (a) Describe the voltmeter reading when you move the electromagnet to the circuit…

A: As given in the figure a coil in left side is connected with DC supply. It means there is current…

Q: Suppose you wrap wire onto the core from a roll of Scotch tape to make a coil. Describe how you can…

A:

Q: Ex.3-Cell phone charger. The charger for a cell phone contains a transformer that reduces 120- V (or…

A: V1= 120v  V2= 5v  N2= 30

Q: Aside from the Electromagnetic Induction, what other principle is use for the generation of emf in…

A: An AC generator is a mechine that can convert mechanical energy into electrical energy.

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: 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: Two secondary coils are identical in every respect except that one is wound with copper wire and the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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

A:

Q: Describe the difference in what happens when you move the magnet through the coil slowly vs.…

A: The moment of the magnet through the coil gives us induced voltage in the coil which is produced due…

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

A:

Q: If you want to use a step-up transformer to convert 5V DC to 10V DC, what turn ratio would you need?…

A: Transformer work on  the principal of mutual induction between two coil (primary and secondary).…

Q: What is a transformer? Describe how transformers work from a perspective of electromagnetic…

A: A transformer is basically a very simple static electro magnetic passive electrical device. It…

Q: What is an isolation transformer  and how it works?

A: Isolation transformers are transformers used to transfer electric power from alternating power…

Q: rectangular wire loop of side 4 cm and 6 cm has 50 turns uniformly from 0.1 T to 0.3 T in 60 ms. Can…

A:

Q: A step down transformer takes the primary voltage from 2,000 V to 20 V. Find the ratio of the turns…

A: Given data: VPrimary = 2000 V VSecondary = 20 V Need to determine the ratio of the turns for the…

Q: Calculate the peak voltage of a generator that rotates its 220–turn, 0.100 m diameter coil

A:

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: A 120-V, series-wound dc motor draws 0.50 A from its power source when operating at full speed, and…

A:

Q: Explain the parallel and series form of Inductors?

A: InductanceL is defined as the tendency of the conductor to oppose the change in the electric current…

Q: generator is connected across the primary coil (Np = 150 turns) of a transformer, while a resistance…

A: Transformers works on the principle of mutual induction.  Power in primary and secondary is same for…

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: A transformer with 1500 turns in the primary and300 turns in the secondary is used to réduce the…

A: number of turns in primary coil = N1= 1500 number of turns in secondary coil = N2= 300 voltage in…

Q: Figure a indicates a simple version of an alternator, a device that generates an emf. We rotate a…

A: Given  Area of loop = A  Angular speed of coil is w No of turns is 1. Emf induced is rate of change…

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 140-turn circular coil has diameter 4.5 cm. A magnetic field perpendicular to the coil is changing…

A:

Q: A transformer is used to supply a 14.25 V model train with power from a 122 V wall plug. The train…

A:

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

A:

Q: A transformer has a primary voltage of V,= 400 V and primary current of 1,= 1.5 A. If the measured…

A: The input power here is The output power here is

Q: A disk drive plugged into a 120-V outlet operates on a voltage of 9.0 V. The transformer that powers…

A: Given The number of primary coil is Np=125 turns. The voltage in secondary coil is Vs=9 V. The…

Q: Your physics professor is doing a demo to demonstrate Faraday’s law. He uses a 5m long wire of 10…

A:

Q: In the options given below, the winding number of the primary coils of all transformers that are…

A: