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Why does the chord of an electric heater not glow while the heating element does?
The element is made of special high resistance wire so the power is dissipated in the element rather than the low resistance cord.Power(watts) = Resistance (ohms) X {Current(amperes)}squared
What is the voltage across an electric water heater element that has a resistance of 32 ohms when the current through it is 6.8A?
It is 6 times 8 and the answer is in volts.
What is the voltage of a small electric heater if the heater is drawing 12 amperes and has a resistance of 10 ohms?
Voltage is current times resistance, 1.2 x 110 = 132 volts.
Does the resistance of heater coil remains same when current flows through it?
Typically resistance rises with temperature.
Can you turn off hot water heater but still have the breaker turned on Or will it burn the element?
no as it will burn out the element
Why does the cord of an electric heater not glow while the heating element does?
The heating element of an electric heater is a "resistor", the cord which conducts the electricity is not. The resistance of the element of an electric heater is very high. As current flows through the heating element, it becomes red hot and glows. On the other hand, the resistance of the cord is low. It does not become red hot when current flows through it.
How can I determine if a water heater element is bad?
To determine if a water heater element is bad, you can use a multimeter to test for continuity. Disconnect the power to the water heater, remove the access panel, and locate the heating element. Set the multimeter to the ohms setting and touch the probes to the terminals of the element. If the multimeter reads infinite resistance, the element is likely bad and needs to be replaced.
How can you determine if a water heater element is bad?
To determine if a water heater element is bad, you can use a multimeter to test for continuity. Disconnect the power to the water heater, remove the access panel, and locate the heating element. Set the multimeter to the ohms setting and touch the probes to the terminals of the element. If the multimeter reads infinite resistance, the element is bad and needs to be replaced.
How is resistance used in a space heater?
In an electrical space heater, electrical current dissipates energy into heat, and the heat radiates from the element. In a fuel powered space heater, an orifice throttles the fuel feed (resistance to flow), which controls the heating rate. In a steam powered space heater, an orifice throttles the steam (resistance to flow), which controls the heating rate.
Why thermistor is used in gas sensor TGS 2611?
It doesn't, allthough the resistive value is dependant on heater temperature the resistance of the sensor changes due to the presence of certain gasses (methane in this case) while the heater element itself facilitates a catalystic reaction in the sensor element. The temperature of the heating element is self-regulated and dependant on heater voltage.
Why wont the seat heaters stay on in 2005 Chevy silverado?
you need to check the resistance of the seat heater elment. each seat has an upper and lower element. your probably going to find an open heater element ckt. gm master tech
Which element are used as an electric heater filament?
Nichrome wire is commonly used for resistance wire for heater elements and it is a non-magnetic alloy of two elements nickel and chromium. It has high resistance and resists oxidation. The electrical resistivity is about 65 times that of copper.
The cord of an electric oven does not glow while the heating element glows.Why?
The cord is manufactured to have as low a resistance as possible, while the heating element is intentionally manufactured with a carefully controlled resistance. The current through the whole loop ... cord plus heater ... is determined by the resistance of the whole loop. The magnitude of the current 'I' is (E/R) ... E = the utility line voltage, R = resistance of the cord+heater. But the power dissipated by each individual resistance in the loop is proportional to the resistance of that section. P = I2R. So the heating element dissipates more power than the low-resistance line-cord does.
A electrical heater changes what energy into what energy?
An electric heater converts electrical energy into heat energy. When electricity flows through the heating element, it encounters resistance which generates heat as a byproduct.
How does a space heater primarily convert electrical energy into heat?
A space heater primarily converts electrical energy into heat through a process called resistive heating. When electricity flows through a resistive element in the heater, the resistance in the element causes it to heat up and generate heat that warms the surrounding air.
Why does the chord of an electric heater not glow while the heating element does?
The element is made of special high resistance wire so the power is dissipated in the element rather than the low resistance cord.Power(watts) = Resistance (ohms) X {Current(amperes)}squared
How do you check to see which element is bad in a hot water heater with an ohms meter?
To test and replace a heating element: # Turn off power at the Electrical Service Panel and post a sign warning others not to turn it on. # Remove the access panel on the electric water heater. # Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity (open circuit), replace the element. # If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all (closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner. # To remove the element, first drain the heater. # Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element. # Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.
