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On an LED, one leg will be shorter than the other. The shorter leg is the negative polarity.
Anode and cathode. Anode = negative lead, cathode = positive lead.
Break a leg Toi Toi Toi
The answer will depend on the context in which the legs are defined. Since no information on that is provided, it is not possible to give a more helpful answer.
If the side has length x, then x2 + 152 = 252 ie x2 + 225 = 625 or x2 = 400 so that x = +/- 20 Since the negative root makes no sense, x = 20 units.
On an LED, one leg will be shorter than the other. The shorter leg is the negative polarity.
the negative leg is shorter than the positive leg.
because the negative leg is shorter.
Current will only flow one way through an LED, so it has a positive leg and a negative leg. One of them is longer to signify which is which (longer is negative). The negative side also has a chamfered edge on the LED itself.
Cathode (negative) is the shortest leg and there is a flat edge on the base of the LED, and it must be connected to the negative wire or "-" connection. Anode (positive) is the longest leg, and must be connected to the positive wire or "+" connection, as electricity will only pass through a LED from positive to negative.
The long leg of the LED is the Anode. Connecting the Anode to the negative end of the dry cell would bias the LED off. It would not illuminate. It may also destroy LED.
The side of any diode that must be negative in order for the diode to conduct is the "cathode".
Anode and cathode. Anode = negative lead, cathode = positive lead.
If you plug it it in, if it doesn't light it's the wrong way round. Although these other two are more 'conventional': -The negative wire is closest to a small flat 'spot' on the LED's base. -The longer leg is the positive wire
The length of the legs. The positive leg is always longer than the negative one.
The longest leg is the positive leg of any LED.
A leg is a limb, it is neither positive or negative.