Is the anode or cathode longer in LED ?
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Answer :

In LED anode terminal is longer and cathode terminal is smaller.

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Description : Which is the positive terminal anode or cathode?

Answer : Anode is positive terminal and cathode is negative terminal.

Description : What is the difference between an anode and a cathode?

Answer : The anode is positively charged electrode and the cathode is negatively charged electrode.

Description : Do electrons flow from the anode to the cathode?

Answer : electrons flow from cathode to anode because the electron has a negative charge and repels from the negatively charged cathode whilst also attracting to the positively charged anode.

Answer : SCR turned off when the anode current falls below holding current.

Description : Is an anode positive or negative?

Answer : The anode is positively charged electrode.