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Since resistance is inversely proportional to the cross-sectional area of a wire, thicker the wire - lesser the resistance and vice-versa.
Now, according to Joule's law of heating,
H = I^2 R t; i.e. H (Heat) is directly proportional to the square of I (Current), R(Resistance) and t (time).
Whereas, according to Ohm's law,
V=IR; i.e. V (Potential difference) is directly proportional to I (Current) and R (Resistance)
Comparing both the formulas, we can conclude that H (Heat) needs more Current; I. [H=I^2 R t] Therefore, thicker wire.
Hence, the cooker needs a thicker wire while a table light needs a comparatively thinner wire.
What else can I help you with?
What is the filament in lights?
Filament is a thin part of incandescent bulb which is the source of electric light that electric current passes through and heated it until it produce light.
What did Joseph swan discover about electricity?
Joseph Swan was a pioneer in the development of electric light. He discovered that a carbon filament could be used to create light when an electric current passed through it, leading to the invention of the incandescent light bulb. In 1878, he demonstrated his light bulb successfully, which contributed significantly to the eventual widespread use of electric lighting. His work laid the foundation for modern electric lighting systems.
Why ceiling rose is used in electric circuit?
A ceiling rose is the name given to an enclosed terminal block which enables a suspended lamp to be connected to a residence's permanent wiring. It also provides a means of gripping the flexible cable to support the weight of the light fitting.
Is arc welding an example of electric current?
No, an example of an electric current would be using a battery to light a lightbulb.
Who invented the carbon filament for the electric light?
James watt
Why is the Cable of a cooker thicker than the cable of a table light?
More electricity needed by a cooker requires a thicker cable than for a table lamp.
What is the energy transfer in an electric cooker?
In an electric cooker, electrical energy is transferred into heat energy through resistance in the heating element. The electrical current passing through the element encounters resistance, which generates heat as a byproduct. This heat energy is then used for cooking food.
How do you check if a gas range with electrical sparkle system and oven light is grounded?
Safest way if you don't know much about electrics is to have it checked by a tradesman, if you do know about electrics, then turn off the power to the sockets/power outlets and check where the cable comes from the wall to check if the earth wire is connected and then do the same with the back of the cooker where the wires connect, if the cooker is pre-wired (where the wire is direct into the cooker) then you would need an engineer to dismantle the unit to check. If the electric is just to power the spark and a light then it maybe on a regular power outlet with a plug. If you suspect a fault then it is best to have it checked by a qualified tradesman.
Which part of the sunlight makes solar cooker hot?
The visible and ultraviolet parts of sunlight are mainly responsible for making a solar cooker hot. These wavelengths are absorbed by the material of the cooker, which converts the light into heat energy, thereby heating up the interior of the cooker.
What is thicker than what on a convex lens?
The center is thicker than the borders.The center is thicker than the borders.The center is thicker than the borders.The center is thicker than the borders.
Convex lens is thicker than?
Concave lens. Concave lenses are thinner in the middle and thicker at the edges, causing light rays to diverge. Convex lenses are thicker in the middle and thinner at the edges, causing light rays to converge.
Why does the glasses's lens get thicker if your eyesight gets bad?
Eyeglasses refract light to correct for problems with the eyes. As the light needs to be bent more, the glass needs to be thicker to make the light bend farther.
What energy changes take place in a solar cooker?
In a solar cooker, solar energy (light and heat) is absorbed by the reflective surface and converted to heat energy. This heat energy is then transferred to the food in the cooker, causing it to cook or heat up.
What is submarine cable buoy light and buoy?
what is submarine cable buoy light and shape & what is submarine emergency buoy light and shape
What was the purpose of the electric light bulb?
To convert electric energy into light energy
Why won't my Electric furnace light?
Electric furnaces don`t light
When was Electric Light Orchestra created?
Electric Light Orchestra was created in 1970.
