Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Electricity and Magnetism
Types of Current
Why dosen't a transformer work with direct current? why is ac required?
1 answer
What is induction? Does a steady magnetic field cause induction?
You can
ask a new question
or
answer this question
.
Similar Questions
Which type of current does a transformer work with?
direct current battery current alternating current magnetic current
Top answer:
A transformer works with alternating current (AC).
Read more.
A step-down transformer operates a 2400v and supplied a current of 60A. The turns ratio of the transformer is 1/24. Calculate
a)s
Top answer:
To solve this problem, we can use the formulas related to transformers. a) Secondary Voltage: The
Read more.
A step-down transformer operates a 2400v and
supplied a current of 60A. The turns ratio of the transformer is 1/24. Calculate
Top answer:
The wording is poor. Does this mean "operates AT 2400v"....and is "SUPPLIED by a current of 60a" or
Read more.
A step down transformer operates a 2400 volt lines and supplies a current of 60A.The turn ratio of the transformer is
Top answer:
Please help me out
Read more.
True or False: The input current to a transformer is direct current.
Top answer:
nvm it's false. :)
Read more.
Since the normal voltage in a home is 120 V, what is used to bring the voltage to that level?
a direct transformer a step-down
Top answer:
A step-down transformer is used to bring the voltage from higher levels (such as the ones used for
Read more.
A model train transformer delivers 14v to the engine. If the input voltage to the transformer is 100v and primary coil contains
Top answer:
To determine the number of turns on the 14V secondary coil, we can use the formula for voltage
Read more.
1. x-ray machine operates at 200 kv with a current of 10 mA. The power mus be produced by a transformer which raises the voltage
Top answer:
Well, this sounds like a shocking problem! Let's break it down and zap away your confusion. We're
Read more.
a circuit with an ideal transformer with a source voltage, Vs=10cos(ωt)V, N1:N2=1:4, and RL=50Ω.
What is the magnitude of the
Top answer:
Rp = (N1/N2)^2 * RL = (1/4)^2 * 50 = 3.125 Ohms = Primary resistance. Ip = Vs/Rp
Read more.
The magnetising and core-loss components of the no-load current of a transformer are 4,105A and 1,1A, respectively. Calculate
Top answer:
a) The total no-load current can be found by adding the magnetising and core-loss components: Total
Read more.
Related Questions
An alternating current and a direct current flows simultaneously in the same conductor. if the effective value of the
A hair dryer uses 10A at 120V. It is used with a transformer in England, where the voltage is 240V. A. What should be the ratio
Which of the following best describes a direct current?(1 point)
a stationary electrical charge the flow of electric charges
A transformer designed to convert a 220 V a.c mains to 10V has 3300 turns on primary coil. How many turns should be in the
there are four individual transformer feeder having connected loads of 250 kva, 300 kva, 350 kva, demand factor of these are
Calculate the heat energy produced in 2 minutes the following currents flowing through a circuit having a total resistance of 15
A power company transmits current through a 240,000 V transmission line. This voltage is stepped down at an area substation to
A device that changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field is called a(an)
Indicate true or false in each of the following statements:
1. A static magnetic field can do work on a current carrying wire
A three phase transformer has the following specs 300 KVA 440V. the impedance marked on the nameplate is 3.3% . Determine the
