Electrical Help at Your Fingertips

Some common applications of direct current include:

1. powering electronic devices
2. charging batteries
3. operating electric motors
4. welding metals
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generators transform mechanical energy into electrical energy. The mechanism involved is similar to that of an alternator.. Read more..

The first step in knowing how to fix a broken light switch is being able to identify when one exists. There are a few telltale signs that a light switch may be broken, which include:
-The switch does not click when engaged.
-The switch feels loose or wobbly.
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Unlike an asynchronous AC motor, a synchronous AC motor rotates at the same speed as the frequency of the AC power supply. In order to achieve this, the synchronous AC motor must be synchronized with the power supply using a feedback system. Read more..