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Different mechanisms are possible, to convert electrical energy to light. For example, in an incandescent light bulb, this is the result of heat (the electrical energy is first converted to heat); while in a fluorescent light bulb, electrons in atoms are excited (i.e., raised to a higher energy level) due to the electrical current; when they fall back down to their base energy level, they emit light. Similarly, in a semiconductor (LED), light is also due to such excitations.
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What energy transfers take place in an electrical cell?
Chemical energy is changed into electrical energy
What are 3 household items that change electrical energy into heat energy?
radiator toaster microwave there's 3 random ones !
Describe the energy transfers that happen in a toaster?
to a toaster? first... electrical. when it is turned on, heat and light. then, when it is done, theres a ting sound right? and tht's sound energy
What measure of electrical energy transfers by electrons in a circuit?
Voltage
What useful energy transfers in a wind turbine and a generator?
Kinetic energy is transferred to electrical energy.
What are the transfers in a toaster?
the energy transfer in a toaster is electrical to heat (and light if the elements are glowing)
What energy transfers take place in an electrical cell?
Chemical energy is changed into electrical energy
What item transfers electrical energy to mechanical energy?
An electronic motor transfers electrical energy to kinetic energy (movement energy). These use electromagnets, powered by your power source (eg. Batteries).
What is forms of energy?
Electrical Heat Light Sound Mechanical Kinetic
What deivce in a car transfers electrical energy to sound energy?
Horn Speaker
What are 3 household items that change electrical energy into heat energy?
radiator toaster microwave there's 3 random ones !
Describe the energy transfers that happen in a toaster?
to a toaster? first... electrical. when it is turned on, heat and light. then, when it is done, theres a ting sound right? and tht's sound energy
What measure of electrical energy transfers by electrons in a circuit?
Voltage
What useful energy transfers in a wind turbine and a generator?
Kinetic energy is transferred to electrical energy.
A hand-held fan transfers electrical energy to what kind of energy?
Sound energy and kinetic energy
What is the energy transfer in an electric cooker?
in the cooker energy transfers that goes in is electric energy, transfers that go out are heat and light energy
What device in a car transfers electrical energy into sound energy?
Horn Flasher relay
