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How magnetic field lines look in hollow cylindrical electromagnet?
Inside the hollow cylindrical electromagnet ("solenoid"), the magnetic field lines are straight, parallel to each other, and parallel to the axis of the cylinder. They get more complicated at the ends, but the above statement is good for a solenoid of infinite length, which has no ends, and is a good approximation in the center of a real one.
Does any material restrict magnetic flux?
Magnetic materials concentrate magnetic field lines inside themselves, so if you have something you don't want exposed to a magnetic field, you could put it inside a soft iron box and the magnetic field inside the box will be less than it would be if the box wasn't there. But no, there's nothing that absolutely stops a magnetic field.
What part of the cell is like a computer control center?
It is the nucleus that controls the inside the cell, and carries genetic information.
What layer in the atmosphere is magnetic?
The ionosphere inside the atmosphere is magnetic. It is the one that contains the ions i.e positive and negative.
Can a magnet erase information from memory sticks and computers?
A magnet can only change information that is stored magnetically and if the magnet's magnetic field is strong enough. Memory sticks do not store information magnetically, they use Flash memory which stores information electrostatically. So no, a magnet can not erase information on a memory stick. Computers usually use hard disks which do store information magnetically, so in principle a magnet could erase information from a hard disk. However the magnet would have to be very strong (much stronger than is likely to be available at home) and held very close to the hard disk (probably be inside the computer case or even inside the hard disk case itself) to be able to to erase the information. Computers before the 1970s usually used magnetic core memory instead of DRAM as their main memory. While this stored information magnetically, the construction of the cores as rings made it impossible for any magnet to change the information: the 1 and 0 were opposite directions of magnetization around the ring shaped cores, while an external magnetic field is "linear" not "circular" and thus can't change the state of a core.
What is the behavior of a magnetic field inside a conducting cylinder?
The behavior of a magnetic field inside a conducting cylinder is such that the field lines run parallel to the axis of the cylinder. This is due to the induced currents in the cylinder that create a magnetic field that opposes the external magnetic field.
Magnetic disk inside the computer that holds several hundred gigabytes?
hardrive
Where does information in a computer go?
The information is recorded onto the Hard Drive inside a computer.
What are the things that rotate inside a computer?
The main thing that rotates inside a computer is the hard drive. The hard drive is a disk that stores all your computer's information. The information is stored magnetically, this is why a magnet can be so damaging to a computer. Also, there are fans inside a computer that help cool the components.
What is magnetic storage media usually sealed in a case inside the computer?
Its called your hard drive.
What is the main information path called inside a computer?
BUS
What are places that store our information about people on a computer?
Inside the 'cookies' folder
What does the harddisk do?
A computer's hard disk or hard drive stores information such has the operating system, programs, and files. It stores the information as small magnetic fields on the hard disc.A hard disk drive is a non-volatile storage device that stores digitally encoded data on rapidly rotating rigid (i.e. hard) platters with magnetic surfaces.
How magnetic field lines look in hollow cylindrical electromagnet?
Inside the hollow cylindrical electromagnet ("solenoid"), the magnetic field lines are straight, parallel to each other, and parallel to the axis of the cylinder. They get more complicated at the ends, but the above statement is good for a solenoid of infinite length, which has no ends, and is a good approximation in the center of a real one.
What items that can be damaged by a magnet?
Pretty much any electronics with wires. The metal inside the wires and generally attracted to the magnet. For example, it is a TERRIBLE idea to put a magnet next to or on a computer or computer monitor. It will distort anything and everything inside the computer.
What is magnetic resonance angiography?
an imaging test that does not use dyes or x rays and relies on special computer software and powerful magnetic fields to create a highly detailed image of the inside of the brain's arteries.
What kind of information is stored inside the computer?
The specific term is "input data". The general term "data" can refer to "input data", "output data", "stored data" inside the computer, the data being processed by the computer's CPU, etc.
