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What else can I help you with?
How can you reverse the rotation of barlow's wheel?
Reverse the polarity of the magnet.
How is a DC permanent-magnet motor reversed?
Reverse the polarity of armature windings of the motor.
Can small permanent magnet motors be reverse direction if the direction of current flow to the motor is reverse?
Permanent magnet field motors. With a these motors, a permanent magnet is used to replace the field coil. DC power is connected via the brushes, to the armature only. Reversing the polarity, will cause the motor to reverse its direction of rotation. It is very common to use a switch to intentionally reverse to the polarity, to allow reversal of the motor if desired.
How rare is it for a magnet to reverse it's polarity by itself?
About 0.15% chance to happen within a time period of a year.
How do you use the word polarity in a sentence?
The polarity of both ends of a magnet is different. The positive and negative polarity exist for a magnet.
How do you reverse compass magnet polarity?
this video explains it http://es.youtube.com/watch?v=xVXJikShnKI
How would reduce the reverse polarity in magnetization of permanent magnet?
One way to reduce reverse polarity in a permanent magnet is by ensuring it is subjected to strong external magnetic fields in a controlled manner during the manufacturing process. This can help align the magnetic domains in the desired orientation and minimize the chances of reverse magnetization occurring. Additionally, using high-quality materials and adopting proper handling techniques can also help reduce the risk of reverse polarity in permanent magnets.
What can happen when you put a natural magnet near an electromagnet?
When you put a natural magnet near an electromagnet, the two magnets can either attract or repel each other, depending on their polarity. This interaction can cause the natural magnet to move or align itself with the electromagnet, demonstrating the magnetic forces at play.
Will changing the polarity of the current change the polarity of the electo magnet?
Yes!
How can one determine the polarity of a magnet?
To determine the polarity of a magnet, you can use a compass. The end of the magnet that attracts the north pole of the compass is the magnet's north pole, and the end that attracts the south pole of the compass is the magnet's south pole.
What problems are there with reverse polarity?
Reversing polarity ,changes the rotation of the device you are changing polarity on.
When a magnet splits why does the polarity change?
The polarity of a magnet does not change if the magnet is cut into pieces. Each piece has the same polarity that it had before. In particular, if you break a bar magnet in half at the midline between the two poles, you will end up with two magnets N-S and N-S. No reversal of polarity occurs.
