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Physics
Electricity and Magnetism
Types of Current
Why dosen't a transformer work with direct current? why is ac required?
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What is induction? Does a steady magnetic field cause induction?
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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).
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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
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To solve this problem, we can use the formulas related to transformers. a) Secondary Voltage: The
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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
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A step down transformer operates a 2400 volt lines and supplies a current of 60A.The turn ratio of the transformer is
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Please help me out
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True or False: The input current to a transformer is direct current.
Top answer:
nvm it's false. :)
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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
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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
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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
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Well, this sounds like a shocking problem! Let's break it down and zap away your confusion. We're
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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
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The magnetising and core-loss components of the no-load current of a transformer are 4,105A and 1,1A, respectively. Calculate
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a) The total no-load current can be found by adding the magnetising and core-loss components: Total
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