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How does distance between two objects affect the way they move?
If the objects are not tied together, and if the gravitational forces between them are negligible in their current environment, then the distance between them has no effect whatsoever on their motion.
Why does the voltage need to be so high in a power station?
In long range,electric current can flow only when the wires are given high voltage.The voltage is about 20-30kV.eg.lightning. ---------------------------------------- Current of any voltage can flow in a wire. However, the larger the current is, the larger the resistance to flow and the greater the loss of energy during transmission. Therefore, to transfer the same amount of energy per second (power) without as much loss of energy due to resistance, current needs to be lowered by increasing the voltage since Power = Current * Voltage.
What gets used up in an electric circuit current or energy?
One of Kierchieff's laws tell us that the more wattage (energy) consumed by an electrical device in a circuit, the larger the voltage difference that exists across the device and the greater the current flowing through it. The energy consumed is directly proportional to the Impedance of the electrical device but is more importantly proportional to the square of the current. WATTS=VOLTS X AMPERES= RESISTANCE (IMPEDANCE) X AMPERES X AMPERES A Circuit with Current but without resistance would exhibit no energy at all.
Which is greater 0.6cm or 8mm?
8mm is greater.
Why is a greater amount of force needed to accelerate a truck than a jeepney even if they are running with the same velocity?
The truck has a greater mass and therefore a greater amount of inertia to overcome. To accelerate a greater mass requires a greater force.
Why is the magnetic field strength greater inside a current carrying wire than about a straight section of wire?
The magnetic field strength is greater inside a current-carrying wire because the magnetic field lines produced by the current are concentrated within the wire due to the close proximity of the electric charges moving through it. In contrast, around a straight section of wire, the magnetic field lines spread out into the surrounding space, resulting in a weaker magnetic field intensity.
What determines the strength of the magnetic field when current flows through a conducter?
The strength of the magnetic field around a conductor carrying current is determined by the amount of current flowing through the conductor. The greater the current, the stronger the magnetic field. Additionally, the shape and orientation of the conductor also play a role in determining the strength of the magnetic field.
The magnetic field strength inside a current-carrying coil will be greater if the coil encloses a?
If the coil encloses an iron rod, then the magnetic field strength inside a current-carrying coil will be increased. This occurs because the air path in the coil is made shorter by putting in the rod. This in turn causes an increase in the field.
Why deflection of the magnetic needle placed in a coil carrying current increases as the number of turns in the coil increases?
Deflection of the magnetic needle placed in a coil carrying current increases as the number of turns in the coil increase because as the number of turns in the coil increases the strength of the magnetic field also increases.
How the magnetic field around a solenoid can be strengthened?
The strength of the magnetic field produced by a current carrying solenoid depends on:The number of turns - larger the number of turns, greater is the magnetism produced.The strength of the current - when current increases, magnetism also increases.Nature of 'core-material' used in making the solenoid - if we use soft-iron as a core for the solenoid, then it produces the strongest magnetism.
In an electromagnet the magnetic forces increase as increases?
It increases as the current increases.
How does current flows when inductor n capacitor r in series?
The stronger the magnetic field on your inductor the greater amount of current you will have flowing through your series circuit.
Is magnetic field strength directly proportional to the coil or the current?
The strength of a magnetic field won't be directly proportional to the turns in the coil. It is more correct to say that field strength is directly proportional to current through the windings of the coil. There are some "limiting factors" that will not allow this to be a hard and fast rule, but it is essentially correct.AnswerMagnetic field strength (symbol: H) is defined as the magnetomotive force per unit length of a magnetic circuit. As magnetomotive force is the product of the current flowing through a winding and the number of turns, then, yes, magnetic field strength is proportional to both the current and the number of turns -but this is ONLY true over the straight part of the magnetisation curve (i.e. before it goes into saturation).
What is the relationship between current and force in an electromagnet?
The relationship between current and force in an electromagnet is direct and proportional. Increasing the current flowing through the electromagnet coil will result in a stronger magnetic field being produced, leading to a greater force exerted by the electromagnet. Conversely, reducing the current will weaken the magnetic field and decrease the force.
Why do factors effect electromagnets?
The factors that affect the power of electromagnets are: the current (amperes), the amount of coils, and whether a soft iron core is present. These affect the electromagnet because the current is what provided the electrical energy which created the magnetic field, and so the greater the current, the stronger the magnetic field; the amount of coils is a measure of the resistance provided by the wire, and so the greater that is, the more electrical energy is being used to strengthen the magnetic field; finally, the soft iron core further strengthens the magnetic field as it can be temporarily magnified, so it will become a magnet itself.
What is magnetic inrush?
Magnetic inrush refers to the sudden surge of current that occurs when an inductive device, such as a transformer or motor, is energized. This phenomenon happens because the magnetic core of the device initially presents low impedance, leading to a high initial current flow until the magnetic field stabilizes. The inrush current can be several times greater than the normal operating current, potentially causing equipment damage or tripping circuit breakers if not properly managed. To mitigate this, various techniques, such as using inrush current limiters or soft starters, are often employed.
What happens when an electromagnet is increase?
When an electromagnet is increased in strength by increasing the current flowing through it, the magnetic field it produces becomes stronger. This results in a greater magnetic force exerted on nearby magnetic materials and a stronger attraction or repulsion between the electromagnet and other magnets.
