Find by what factor does it change the current

Assignment Help Physics
Reference no: EM13518394

A transformer has310turns in the primary coil and130in the secondary coil.

What kind of transformer is this?

step-down

step-up

By what factor does it change the voltage? (Assume 100% efficiency.)

By what factor does it change the current?

Reference no: EM13518394

Questions Cloud

What is the proper length of the rod : A rod is measured to be 15 cm by an observer moving at 0.80c with respect to the length of the rod. What is the proper length of the rod
Determine the velocity of the train : A train has a rest length of 100 m. Traveling at a very high velocity, it goes through a tunnel of length 60 m. What is the velocity of the train expressed in units of c
Estimate the index of refraction of the liquid : The critical angle for a certain liquid-air surface is42.0°. What is the index of refraction of the liquid
What is the resonant frequency of this circuit : A 2100pF capacitor is connected to a65µH coil of resistance3.4. What is the resonant frequency of this circuit
Find by what factor does it change the current : A transformer has310turns in the primary coil and130in the secondary coil.  By what factor does it change the current
Calculate the rms voltage output of the generator : A 450 loop circular armature coil with a diameter of8.0cm rotates at 120 rev/s in a uniform magnetic field of strength 0.55 T. What is the rms voltage output of the generator
Calculate the magnitude of the field inside near the center : A thin 12 cm long solenoid has a total of430turns of wire and carries a current of2.1A. Calculate the magnitude of the field inside near the center
What is its initial angular speed in radians per second : A 0.5 meter diameter bicycle wheel is initially rotating at 60RPM rolls to rest at a constant rate in 10 seconds. What is its initial angular speed in radians per second
What is the latent heat of fusion of the unknown material : An unknown material has a normal melting/freezing point of -25.1° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C°). What is the latent heat of fusion of the unknown material

Reviews

Write a Review

Physics Questions & Answers

  What is the maximum temperature of the water

The highest recorded waterfall in the world is found at Angel Falls in Venezuela. Its longest single waterfall has a height of 807 m. what is the maximum temperature of the water

  The representation of combined magnetic field

hysicists model a magnetic field by assigning to every point in space a vector that represents the strength and direction of the field at that point. Two magnetic fields that exist in the same region of space may be added as vectors at each point to ..

  Determine the work done by force of gravity acting on cart

A physics TA pushes a 20.0-kg equipment cart at a constant velocity a distance of 24.0 m down the hall. determine the work done by the force of gravity acting on the cart

  Determine the energy radiated with each pulse

A laser used in a holography experiment has an average output power of 4.93 mW. Calculate the energy (in joules) radiated with each pulse

  Determine the speed of the raft

A woman on a bridge 81.0 m high sees a raft floating at a constant speed on the river below. Find the speed of the raft

  What is the distance travelled during the trip

A spaceship travels at a speed of 0.90c to a star that is 9.0 ly away. what is the distance travelled during the trip

  Find the maximum potential energy

When a 1.1 kg mass is hung from a spring it is found to stretch by 11 cm. The spring is stretched an additional 5 cm and released. What is the maximum potential energy

  Calculate the power a car engine contributes to speeding

Cowboy Joe wishes to shoot his assailant by ricocheting a bullet off the mirrored metal plate. To do so, should he simply aim at the mirrored image of his assailant.

  How far away does the back of your head appear to be

The place you get your hair cut has two nearly parallel mirrors 7.00 apart. As you sit between these mirrors in the chair, your head is 2.50 from the mirror in front of you. How far away does the back of your head appear to be

  Find mechanical energy that is lost as result of collision

An eagle (mA = 4.3 kg) moving with speed vA = 7.8 m/s is on a collision course with a second eagle (mB = 5.6 kg) moving at vB = 10.2 m/s in a direction perpendicular to the first

  What is the torque exerted on the trap door by the rope

A trap door, of length and width 2.75 m, is held open at an angle of 65.0° with respect to the floor. what is the torque exerted on the trap door by the rope

  Find the electric field at position r along the z axis

A dipole is centered at the origin and has charges q and -q located at z=l/2 and z=-l/2, respectively. Find the electric field at position r along the z axis and also at position r along the x-axis

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