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Electric geysers primarily use resistive coils, also known as heating elements, to heat water. These coils convert electrical energy into heat through resistance, efficiently warming the water in the tank. Inductive coils are more commonly associated with induction heating applications, which is not the case for standard electric geysers.
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Are solenoid valves resistive loads or inductive loads?
Resistive Load An electrical load which is characteristic of not having any significant inrush current. When a resistive load is energised, the current rises instantly to it's steady-state value, without first rising to a higher value. An electrical load in which voltage and current are converted to energy in the form of heat; i.e., an electrical heater, incandescent bulb. Inductive Load An electrical load which pulls a large amount of current (an inrush current) when first energized. After a few cycles or seconds the current "settles down" to the full-load running current. The time required for the curren to "settle down" depends on the frequency or/and the inductance value of the Inductive load
What is the difference between an inductive and a capacitive load?
Resistance load it means there is passive load to impede current flow. Inductive load means there is a coil as a load while still a passive it has its own characteristics which differs from a resistive load which is linear while inductive is not linear load
Is it possible to have pure inductive coil?
no
Why is there a difference in current in a coil when you apply dc voltage and then AC voltage to it?
A coil has both resistance and inductance. When you apply a d.c. voltage, the opposition to current is the resistance of the coil. When you apply an a.c. voltage, the opposition to current is impedance -the vector-sum of the coil's resistance and its inductive reactance. Inductive reactance is proportional to the inductance of the coil and the frequency of the supply.
What is the inductive reactance of a 5 Henry coil connected to a 60 hz source?
inductive reactance= XL= 2*pi*.1*60=12pi ohm
Are solenoid valves resistive loads or inductive loads?
Resistive Load An electrical load which is characteristic of not having any significant inrush current. When a resistive load is energised, the current rises instantly to it's steady-state value, without first rising to a higher value. An electrical load in which voltage and current are converted to energy in the form of heat; i.e., an electrical heater, incandescent bulb. Inductive Load An electrical load which pulls a large amount of current (an inrush current) when first energized. After a few cycles or seconds the current "settles down" to the full-load running current. The time required for the curren to "settle down" depends on the frequency or/and the inductance value of the Inductive load
What two energy transfers are used in the electric coil of a baseboard heater?
In an electric coil of a baseboard heater, electrical energy is first converted into heat energy through resistive heating in the coil. The heat energy is then transferred from the coil to the surrounding air through convection, which warms the room.
What is the difference between an inductive and a capacitive load?
Resistance load it means there is passive load to impede current flow. Inductive load means there is a coil as a load while still a passive it has its own characteristics which differs from a resistive load which is linear while inductive is not linear load
Examples of inductive load?
electric motorrelay coilspeaker coilspeedup coil (in vacuum tube or discrete transistor digital logic)etc.
Is it possible to have pure inductive coil?
no
How does an electric heater coil work to generate heat in a heating system?
An electric heater coil works by passing an electric current through a resistive material, usually made of metal. The resistance in the material causes it to heat up, generating heat that warms the surrounding air in the heating system.
When checking a resistive element coil for continuity the selector switch should be set to the?
When checking a resistive element coil for continuity, the selector switch on the multimeter should be set to the ohms (Ω) setting. This allows you to measure the resistance of the coil, confirming if there is continuity. If the meter shows a low resistance value, the coil is intact; a reading of infinity indicates a break in the coil.
Why is there a difference in current in a coil when you apply dc voltage and then AC voltage to it?
A coil has both resistance and inductance. When you apply a d.c. voltage, the opposition to current is the resistance of the coil. When you apply an a.c. voltage, the opposition to current is impedance -the vector-sum of the coil's resistance and its inductive reactance. Inductive reactance is proportional to the inductance of the coil and the frequency of the supply.
What is ideal choke coil?
An ideal choke coil has only inductance. It has zero resistance and no stray capacitance, therefore no resonances.
What factors affect the inductive reactance of a coil in a A C circuit?
Current Flow I believe.
What is the inductive reactance of a 5 Henry coil connected to a 60 hz source?
inductive reactance= XL= 2*pi*.1*60=12pi ohm
Do you use the ac volts position when checking the continuity of a resistive coil?
No, you use the ohms position.
