Its called photovoltaic..because the electricity is gained from sunlight or called as turning light to electricity.
electrical energy
Electrical energy is transformed into heat and light. More specifically, electrical energy from the household wiring is turned into thermal energy (heat) by the filament which in turn becomes luminous energy (light). Some energy is lost due to resistance in the conductors.
The electrical energy gets transformed into electromagnetic (light) energy and thermal (heat) energy.
-- None at all if the lamp is switched off.-- If the lamp is switched on, then electrical energy is turned into a little bit ofvisible light energy and a comparatively larger quantity of heat energy.
The main energy-changes are as follows: Chemical (in the battery) to electrical Electrical to sound
electrical energy
The electrical energy gets transformed into electromagnetic (light) energy and thermal (heat) energy.
electrical energy
Electrical energy is transformed into heat and light. More specifically, electrical energy from the household wiring is turned into thermal energy (heat) by the filament which in turn becomes luminous energy (light). Some energy is lost due to resistance in the conductors.
The electrical energy gets transformed into electromagnetic (light) energy and thermal (heat) energy.
The electrical energy gets transformed into electromagnetic (light) energy and thermal (heat) energy.
No, they turn chemical or electrical into kenetic energy
I can't think of a direct way, but you could use a generator to turn the kenetic energy into electrical and then into light via a lightbulb or LED.
-- None at all if the lamp is switched off.-- If the lamp is switched on, then electrical energy is turned into a little bit ofvisible light energy and a comparatively larger quantity of heat energy.
There are 2 energy changes that take place in this action: Mechanical to Light Energy and Mechanical to Electrical Energy. To explain further, when a generator, which uses mechanical energy, is used in turn to light up the bicycle lamp, the light emitted is light energy. At the same time, when the generator lights up the bicycle lamp, the lamp is light up using electrical energy, so mechanical energy also transformed into electrical energy. ===============================> heat and light (in the light bulb)
When you turn on a toaster, the electrical energy transforms into thermal energy to toast your bread. =]
They have solar panels that turn sunlight into electrical energy, which it stores in a battery, but some of it is used right after changing the light into electrical energy in order to maintain the satellite.