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A field circuit is an electrical circuit that supplies current to the field windings of an electromagnetic device, such as a motor or generator. It is responsible for creating the magnetic field necessary for the operation of the device. In motors, the field circuit can influence the speed and torque, while in generators, it affects the voltage output. Typically, field circuits can be either series, shunt, or compound, depending on how they are configured with respect to the armature circuit.
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Does the voltage between two points in a circuit decrease or increase when the electric field in the circuit increase?
When the electric field in a circuit increases, the voltage between two points typically increases as well. This is because voltage is directly related to the electric field and the distance between the points, following the relationship ( V = E \cdot d ), where ( V ) is voltage, ( E ) is the electric field strength, and ( d ) is the distance. Thus, an increase in the electric field generally results in a higher voltage across the same distance.
What is the purpose of a capacitor in a circuit?
To store energy, in an electric field between separated charges. (An inductor stores energy in a magnetic field surrounding a current.)
How do you know when you have a circuit?
tuned circuit
When a battery is connected to a complete circuit charges flow in the circuit almost instantaneously explain?
When a battery is connected to a complete circuit, an electric field is established almost instantly throughout the circuit. This electric field causes free electrons in the conductive material to begin moving, resulting in a flow of electric current. While the individual electrons travel relatively slowly, the effect of the electric field propagates at a significant fraction of the speed of light, allowing the current to appear to flow almost instantaneously. Thus, the response of the circuit is immediate, even though the actual movement of electrons is gradual.
What is the difference between field current and voltage?
Field Current in a DC Motor is the flow of electrons through the field circuit by a field controller. The flux of the motor, that with the armature current generates torque, is directly proportional to the field current. Field Voltage is the electrical potential energy applied on the field circuit by a field controller. Legacy Field Controllers controlled the field voltage. Using I=V/Z (Z=R+iX) the field current is then indirectly controlled. Due to the heat generated by E=i2 R t in the motor, the resistance R would decrease, increasing the field current and therefore changing the base speed of the motor and disturbing the control. Newer field controllers control the field current eliminating this problem
Is the magnetic field that is near an electrical circuit parallel or perpendicular to the circuit?
Perpendicular to the circuit.
Is a circuit a path made for magnetic field?
A circuit is a path for charge particles -- it conducts current. An inductor, a circuit component, generates a magnetic field, when an AC is on. ======================
What is short circuit ratio of an alternator?
Short circuit ratio is the ratio of field current required for the rated voltage at open circuit to the field current required for the rated armature current at short circuit
What is the relationship between the electric field and current in a circuit?
The electric field in a circuit is directly related to the current flowing through it. The electric field is what drives the flow of electric charge, which is the current. In other words, the presence of an electric field is necessary for current to flow in a circuit.
What flows through a circuit and causes a magnetic field?
An electric current flowing through a circuit causes a magnetic field. This is due to the movement of electric charges, usually electrons, in the circuit. The magnetic field produced is perpendicular to the direction of the current flow.
What is the relationship between the electric field formula and voltage in an electric circuit?
The electric field formula and voltage in an electric circuit are related because voltage is a measure of the electric potential difference between two points in a circuit, and the electric field is the force that causes charges to move between those points. In simple terms, the electric field creates the voltage that drives the flow of electric current in a circuit.
What is the effect on the direction of the compass needle when you close the circuit?
When you close the circuit, a magnetic field is produced which can deflect the compass needle. The direction of the compass needle will align with the magnetic field produced by the current flowing through the circuit.
Is IT a circuit branch?
IT is short for information technology and is a field of education.
What force causes electrons to move in an electrical circuit?
The force that causes electrons to move in an electrical circuit is an electric field. When a voltage difference is applied across a conductor, the electric field exerts a force on the electrons, causing them to flow through the circuit.
Can a magnetic field affect the performance of electrical circuits?
You better believe it can, but only if it's changing, otherwise the magnetic field can just pull or push the electrons in the circuit towards or away from it, but it can't slow them down. If the magnetic field is changing, a phenomenon called inductance happens. Inductance is an applied current to a circuit by a changing magnetic field. As you might imagine, an additional applied current to a circuit can definitely change the circuit's behavior and alter its performance.
What is the role of the electric field in the wires of an AC circuit?
The electric field in the wires of an AC circuit helps to push and pull the electric charges back and forth, allowing the flow of alternating current.
What happen to the secondary circuit if the primary circuit is close?
If the primary circuit is closed, the current will flow through the primary coil, inducing a magnetic field. This magnetic field will in turn induce a current in the secondary coil, allowing for the transfer of energy from the primary to the secondary circuit.
