Find rms output voltage of the transformer

Assignment Help Physics
Reference no: EM13261552

A step-down transformer is used for recharging the batteries of portable devices. The turns ratio N2/N1 for a particular transformer used in a CD player is 7:72. When used with 120 V (rms) household service, the transformer draws an rms current of 250 mA. Find the following.

(a) rms output voltage of the transformer?

=____ V

(b) power delivered to the CD player?

=_____ W

Reference no: EM13261552

Questions Cloud

Explain the equilibrium partial pressure of h2 : Originally, a system contains only HI at a pressure of 1.00 atm at 520 degrees celsius. The equilibrium partial pressure of H2 is found to be 0.10 atm. Calculate Kp. 2HI(g) H2(g)+I2(g).
Explain what temperature will the reaction have delta g : For a particular reaction, Delta H = -30kJ and Delta S = -92J/K . Assume that Delta H and Delta S do not vary with temperature. Part A. At what temperature will the reaction have Delta G = 0
How much would the firm save in interest : What if interest rates on the 10 percent loan go up to 15 % in the second year and 18% in the third year? What would be the total interest cost compared to the 12%, three year loan?
Explain many gaseous reactions occur in a car engine : Many gaseous reactions occur in a car engine and exhaust system. One of the reactions is NO2(g)+CO(g)-->NO(g)+CO2(g). Given the following information determine the overall rate order. Rate=K[NO2]^m [CO]^n
Find rms output voltage of the transformer : A step-down transformer is used for recharging the batteries of portable devices. The turns ratio N2/N1 for a particular transformer used in a CD player is 7:72. find rms output voltage of the transformer
What would be the book value of the current assets : The inventory has a book value of $53,300 and an estimated market value of $71,200. If the store compiled a balance sheet as of today, what would be the book value of the current assets?
Compute the percent ionization of propionic acid : Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations
Compute the size of the induced current in the loop : A 19.0cm × 19.0cm square loop of wire lies in the xy-plane with its bottom edge on the x-axis. What is the size of the induced current in the loop at t = 0.550s
Design a 3-7 binary-to-thermometer code converter : A M-bit thermometer code for the number k consists of k 1's in the least significant bit positions and M-k 0's in the more significant bit positions. A binary-to-thermometer code converter has N inputs and 2^N-1 outputs.

Reviews

Write a Review

Physics Questions & Answers

  Illustrate what is minimum coefficient of static friction

If an automobile rounds this curve at 30 {rm m/s}, illustrate what is the minimum coefficient of static friction between tires and road needed to prevent skidding?

  Derive an equation for radius r of circular path

Derive an equation for radius r of circular path that the electrons follow in terms of the magnetic field B, the electrons’ velocity v, charge e, and mass m. You may assume that the electrons move at right angles to the magnetic field.

  Compute the average force exerted by the ball on the wall

A ball of mass 4.9 g with a speed of 22.5 m/s strikes a wall at an angle 29.0o and then rebounds with the same speed and angle. compute the average force exerted by the ball on the wall

  What is the magnitude of the force on the particle

Now assume the particle is a proton and that its initial velocity is 254.7 m/s to the right. If the magnitude of the magnetic field is 0.98 T

  What is the threshold frequency for this surface

A person walks 25.0° north of east for 2.70 km. How far would the person walk due north and due east to arrive at the similar location.

  At what distance will the charge at rest begin to move

Two positive charges of 7.40 micro-Coulombs are placed on a horizontal surface with a coefficient of static friction 0.72. If they are originally far apart.

  What is the magnitude of the vertical component

A very long non conducting cylinder of diameter 10.0 cm carries charge distributed uniformly over its surface. Each meter of length carries +5.50 C of charge. A proton is released from rest just outside the surface.

  Should they attempt to return to the airstrip

A fuel leak is discovered at this point, and crew calculates that the plane can safely fly no more than 170 km before an emergency landing should be attempted. The only appropriate location for an emergency landing is 100 km north of their current po..

  Define the magnitude of the electric field at a point

What is the magnitude of the contact force on the student by the backpack.

  What is the acceleration of each block

A 3.0-kg block sits on top of a 5.0-kg block which is on a horizontal surface. If the force is 10% greater than your answer for (a), what is the acceleration of each block

  What is the new coefficient of friction

A 63.00 kg person on skis starts from rest down a hill sloped at 33° from the horizontal. The coefficient of friction between the skis and the snow is 0.190.

  Explain how much will it cost to leave the bulb

the power company charges 10 cents per kilowatt-hour, explain how much will it cost to leave the bulb on for 30 days? Show your work.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd