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What happens to the current in a secondary that has twice as many loops as the primary?
Wiki User
∙ 12y ago
The current in the secondary winding of a transformer is not determined by the current flowing in the primary winding; rather, it is the other way around.
The current flowing through the secondary winding of a transformer is determined by the load to which it is connected. The primary current can then be determined from the turns ratio.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoNo. First, there is an efficiency loss in every transformer. Second, the current will increase/decrease inverse to the voltage decrease/increase. If a transformer converts 120 volts to 12 volts, and the transformer is drawing 1 amp on the primary side (120 volts), the current in the secondary windings (12 volts) would be 10 amps, minus of course any efficiency loss (mentioned First.)
AnswerThe secondary current is determined by the load, and notby the primary current! The load determines the secondary current, and the primary current is then determined by the inverse of the turns (or voltage) ratio*. The primary current is the phasor sum of this 'reflected' secondary current and the primary no-load current.
[*Ip = Ns/Np x Is ]
Wiki User
∙ 13y agoThe current in the secondary when the voltage is twice the primary, will be one half the primary.
Wiki User
∙ 12y agoThe secondary voltage is doubled.
Wiki User
∙ 12y agobased on ohms law
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How can the strength of an electromagnet be increased?
More currents, or more loops.
What would increase the strength of an electromagnet?
More coils of wire around the magnetic material.More current through the wire in the coil.Increasing the current flowing through the wire Increasing the number of loops of wireputting a piece of iron inside the loops of wire apex :)Increasing the current flowing through the wireIncreasing the number of loops of wire
Does fruit loops get soggier in cold or warm milk?
warm milk
Why you must perform Hampton's views in barium enema examination?
This view separates overlying loops of sigmoid colon.
In an electromagnet the magnetic force increase as increase?
Adding more coils will make the magnetic field stronger. Magnetic field increases.
What happen if the number of loops in the primary and secondary coils in a transformer are the same?
If the number of turns in the primary is the same as the secondary, this would be an isolation transformer. Primary and secondary voltages should match (minus the inherent transformer losses), as should the current.
What is the current in the secondary coil fi the current in the primary coil is 5.0A 10 loops on primary coil and 20 on secondary coil?
If I am not wrong then you have asked about a transformer. And its a current transformer. By theory of voltage transformer we know that Vs/Vp = Ns/Np So for answering your question we need the value of number of turns in primary and secondary coil. But you can use this equation to find your answer if you have other values. By using ohmic law you can convert voltage to current.
Difference of step up and step down in terms of no of loops in the secondary coil?
If the primary coil has ten loops and the secondary coil has five loops then the secondary coil works as a 50% step down
What happens as you increasse and decrease the number of loops in an electromagnet?
With increase loops you create a larger charge, with decreased you will produce less current thus a smaller charge
How can change in the voltage of a transformers primary cool create a change in a secondary coils voltage?
The turns ratio determines how the transformer transforms the voltage and current applied to the primary winding (I'm labelling as '1'). Here are some equations: N1 / N2 = turns ratio V2 = V1 * (N2 / N1) I2 = I1 * (N1/ N2)
What is the voltage in the secondary coil if the primary coil is supplied with 120V?
I assume that you are speaking theoretically, as it is unlikely that a practical transformer will have just ten turns ('loops') in its secondary coil. In any event, you have not provided sufficient information to be able to answer your question, as it's necessary to know how many turns there are on the primary winding.
Why does a nuclear reactor have two coolant loops?
The primary loop is exposed to the radioactivity of the reactor, and so becomes radioactive itself. The secondary loop is not radioactive, and may be more exposed to the environment.
How do you know if a coil is working on a car?
Short answer: Fires the spark plugs. The ignition coil is nothing more that an electrical transformer. It contains both primary and secondary winding circuits. The coil primary winding contains 100 to 150 turns of heavy copper wire. This wire must be insulated so that the voltage does not jump from loop to loop, shorting it out. If this happened, it could not create the primary magnetic field that is required. The primary circuit wire goes into the coil through the positive terminal, loops around the primary windings, then exits through the negative terminal. The coil secondary winding circuit contains 15,000 to 30,000 turns of fine copper wire, which also must be insulated from each other. The secondary windings sit inside the loops of the primary windings. To further increase the coils magnetic field the windings are wrapped around a soft iron core. To withstand the heat of the current flow, the coil is filled with oil which helps keep it cool. The ignition coil is the heart of the ignition system. As current flows through the coil a strong magnetic field is built up. When the current is shut off, the collapse of this magnetic field to the secondary windings induces a high voltage which is released through the large center terminal. This voltage is then directed to the spark plugs through the distributor.
How a transformer transfer electricity?
A transformer works because of two principles:(a) magentic fields are created by the movement of charged particles - this includes electicity (electrons) moving through a regular cable.(b) a conductor will induce a charge if it is moved through a magnetic field.In a transformer the primary coil is powered which results in a magnetic field being produced, as per (a). Because the magnetic field generated by a single cable is very small a transformer uses a coil of several hundred loops to increase the magnetic field produced.A transformer needs to be powered by AC (alternating current). In AC the direction of the current flow changes (e.g. mains power typically changes direction 50 to 60 times per second). As the AC power changes polarity so does the magnetic field and the North-South poles swap with the AC power.This changing of magnetic poles is equivalent to moving the magnetic field around. Even though the secondary coil doesn't move, because the magnetic field is moving a current is induced in the secondary coil as per (b).The number of loops in the primary coil compared to the number of coils in the secondary loop is used to control the strength of the magnetic field, the secondary coil induction effect and thus the output voltage. This is a simple ratio, so if the secondary coil has twice as many loops as the primary then the output voltage will be twice the input voltage.There are two types of transformers, "step up" where the voltage is increased and "step down" where the voltage is reduced.
Current has only one loop to flow through in a?
A: All current in a loop must return to the source. A source may feed many loops but all these loops current will return to the source as a collective. ----------- Series Circuit
What is a current-carrying coil of wires with many loops?
solenoid
Would increase the strength of an electromagnet?
More coils of wire around the magnetic material.More current through the wire in the coil.Increasing the current flowing through the wire Increasing the number of loops of wireputting a piece of iron inside the loops of wire apex :)Increasing the current flowing through the wireIncreasing the number of loops of wire
