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Why does a light switch get hot when turned on?
A light switch can get hot when turned on because of the flow of electricity through the switch. This flow of electricity causes resistance in the switch, which generates heat as a byproduct.
Why does a light bulb light up immediately after you turn on a switch even if the switch was a long way from the bulb?
When you flip the switch, it completes the electrical circuit and allows current to flow instantly through the wires to reach the light bulb, causing it to light up. The speed of electricity traveling through wires is almost instantaneous, so the light bulb lights up immediately after the switch is turned on, regardless of the distance from the switch to the bulb.
How can you test a light switch without removing it?
You can test a light switch without removing it by using a voltage tester or a multimeter to check if there is electricity flowing through the switch when it is turned on.
How does light travel in the body?
The only light that travels through the body is the image seen by the retina at the back of the eyeball. It travels through the lens and is inverted. This is sent by the optical nerve to the brain where it is turned right side up again.
What if you connected a light to two powers sources each coming through a light switch?
If either switch is turned on the light will be on. BUT- If the switches were wired to different phases of the AC power source they would be out of phase and blow the breaker if they were turned on at the same time.
What is in a light bulb when it's switch is turned on or connected the electricity flows through what we call?
A closed current
When a light switch is turned on what is done to the curcuit?
When a light switched is turned on the circuit is usually closed.
Does light make noise when it travels through a vacuum?
No, light does not make noise when it travels through a vacuum.
Does electricity flow through a light when the light is turned off?
The OFF position on the light switch interrupts the flow of electricity to the light bulb. If the switch is ON, there is always electricity at the light socket, even when the light bulb is removed. if the lamp is still pluged in electricity is still flowing through the lamp even if it is off or on
The light from Polaris travels through space in what form of energy?
Light travels as light energy. Light is a type of electromagnetic wave.
Can the person see the light If he switch on his tourch when he was in an airfree room.?
Hi, What has air got to do with the question? Light = photons, photons have no dependancy on air. Light travels in/ through outer space - no air there.
How can you know that light travels through a vacuum?
light travels from sun to earth through vaccum, so its easily understood
