Advertisements
Advertisements
प्रश्न
The energy conversion in a washing machine is from ______.
पर्याय
magnetic to electrical
electrical to mechanical
electrical to magnetic
magnetic to electrica
Advertisements
उत्तर
The energy conversion in a washing machine is from electrical to mechanical.
Explanation:
When a DC motor is used, the electrical energy that powers the washing machine is transformed into mechanical kinetic rotational energy.
APPEARS IN
संबंधित प्रश्न
State the energy changes in the following while using an electric motor.
Fill in the blank
Green plants convert _________ energy into chemical energy.
State the energy changes that occur in the following :
Burning coal while operating a steam engine.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the unwinding of a watch spring.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Charging of a battery.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the burning of a match stick.
State the energy changes in the following case while in use:
Washing machine
State the energy changes in the following case while in use:
A solar cell
Four men lift a 250 kg box to a height of 1 m and hold it without raising or lowering it.
(a) How much work is done by the men in lifting the box?
(b) How much work do they do in just holding it?
(c) Why do they get tired while holding it? (g = 10 m s–2)
State the energy changes in the following case while in use:
A glowing electric bulb
