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How a electric heater works 2 references?
An electric heater is a resistor that dissipates electric power when a voltage is connected across it and a current flows through it. The amount of power in watts is equal to the voltage times the current in amps. Typical space heaters for use in the home are 1.5 kW to 3 kW to heat a single room.
An electric space heater requires 29 A of 120 V current to adequately warm a room What is the power rating of the heater?
The power rating of the electric space heater is 3480 watts (29 A * 120 V).
What are the features of an efficient electric heater?
The main feature of an efficient electric heater is, that is used up to 30% less engery than a conventional electric heater. This reduces the cost of the heater.
Does increasing the voltage to an electric heater increase the amperage it draws?
It will increase the current since the water heater is made of a heating element and which is resistive in nature. Ohms law states that V=IR where V is the voltage, I the current and R the resistance. Now the resistance will always remain constant. Thus, when the voltage is increased, the current will also increase.
Electric heater A has a power rating of 1kw. Electric heater B has a power rating of 800W. which transfers the most energy in 2 hours?
Electric rating of 1Kw
Why does electric bulb become dim when electric heater in parallel circuit is switched on?
The electric heater draws some of the electrical current in the circuit, which reduces the current available for the electric bulb. This leads to a decrease in the brightness of the bulb as it is receiving less power.
Why is generator armature harder to rotate when it is connected to a circuit and supplying electric current?
Because a generator extracts energy from whatever is rotating it and passes this (by the electric current it produces) down the circuit to the motor (or light bulb or heater) where it is used. When there is no complete electric circuit, no electricity can flow so no (little) energy is extracted, but when the circuit is closed, electricity does flow and the armature is more difficult to turn.
How much current will an electric heater draw from a 110-volt line if the resistance of the heater when hot is 26.7 ohm?
4.12A. V=IR
Electric Water Heater?
form_title= Electric Water Heater form_header= Save with an electric water heater. Do you currently use an electric water heater?*= () Yes () No () Not Sure Do you have any problems with your current heater?*= () Yes () No () Not Sure How old is your home?*= _ [50]
What costs more in electricity - electric heater or electric guitars?
electric heater
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.
If electric heater works on 115 V and draws 3 A of current how much power does it use?
The formula you are looking for is W = I x E.
Is electric heater require oxygen to burn?
No, electric heaters work by running electric current through resistors which produces heat. same as an element on an oven range top.
Electric Hot Water Heater?
Ah, electric hot water heaters are like little artists in your home, quietly working to provide you with warm water for your daily needs. They use electricity to heat up the water in their tank, ready for you whenever you need it. Just like painting a happy little tree, they bring warmth and comfort to your home with their gentle and reliable nature.
How a electric heater works 2 references?
An electric heater is a resistor that dissipates electric power when a voltage is connected across it and a current flows through it. The amount of power in watts is equal to the voltage times the current in amps. Typical space heaters for use in the home are 1.5 kW to 3 kW to heat a single room.
Is the hot water heater gas and electric?
Gas heater & electric heater both are available.
When a single phase supply connect to a electric heater short circuit not there why?
The electric heater is basically a resistor, designed to have the right resistance to draw the required current. So a 2 kW heater designed for a 230 v supply is really a resistor of 28.8 ohms, so when it's connected the current is 8 amps and the power is 2 kW.
