Frequently Asked Questions
How to identify a broken light switch?
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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What is direct current used for?
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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What is Ohm’s Law used for?
Ohm’s law is used to calculate the current in a circuit.
For example, if you know the voltage and resistance of a circuit, you can use Ohm’s law to calculate the current. Read more..
How do capacitors work?
Capacitors are used to store electricity. In contrast to the usefulness of resistors, capacitors do not dissipate energy in their optimal form. Read more..