The value of current limiting resistor for a stack of 4 LED's connecte – McqOptions

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1.	The value of current limiting resistor for a stack of 4 LED's connected in series will be ______ if the LED's are 3 V, 3 mA and DC source is 15 V.
A.	10 Ω
B.	100 Ω
C.	1 kΩ
D.	10 kΩ
Answer» D. 10 kΩ

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