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What else can I help you with?
What device can be closed and opened to let in different amounts of light?
diaphragm
What happens to an electric current at a switch?
At a switch, the electric current can be opened (turned off) or closed (turned on) depending on the position of the switch. When the switch is opened, the circuit is broken, and no current flows. When the switch is closed, the circuit is complete, and current can flow through the circuit.
The sound made by a door is called?
The sound made by a door is called a squeak, creak, or slam, depending on the noise produced when the door is opened or closed.
How is electromagnet used in a burglar alarm?
An electromagnet is used in a burglar alarm to create a magnetic contact switch. When the door or window is closed, the electromagnet keeps the switch closed. If the door or window is opened, the magnetic field is disrupted, causing the switch to open and trigger the alarm.
Why cant you hear a sound behind a closed door?
Sound waves need a medium, like air, to travel through. When a door is closed, it blocks the movement of sound waves, preventing them from reaching your ears. This creates a barrier that reduces the transmission of sound and makes it difficult for you to hear noises from behind the closed door.
What can be opened but cant be closed?
An un-trapped door!
What can be opened and never closed?
egg
What can be opened but never closed?
a stickey mouse trap
When was Queensland re-opened for tourism?
Queensland has never been closed to tourism.
What can be opened but not closed?
is the styllable hi opened or closed
Can growth plates be reopened?
No. Once the growth plates are closed they can never be re-opened.
How long was the Boston harbor closed in 1775?
I'll put it this way: The British never re-opened it. When they left in March of 1776, it was opened again.
What is the opposite of closing?
The opposite of the adjective closed is open. The opposite of the verb closed is opened.
Was ray Charles coffin opened or closed?
closed
What is the opposite of opened?
closed
Early pregnancy is the cervix opened or closed?
Closed. S
Is a snow leopards circulatory system opened or closed?
closed
