Grade 12th pass8 grade science
Give some uses of LED. How should LED be connected ?
Give some uses of LED. How should LED be connected ?
1 Answer
Pawan Prajapati
as indicators in electrical appliances.
as a point source of light in laser beam torches.
LEDs emitting white light can be used instead of bulbs.
The longer lead (leg) from the LED should be connected to the positive terminal of the battery and the shorter lead to the negative terminal of the battery.
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I want complete notes on the chapter friction
In my book subtopics are:
Friction
Types of friction
Factors affecting friction
Methods of reducing friction
Methods of increasing friction
Advantages and disadvantages of friction
Some real life based situation where friction is applied.
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