The output of a standard TTL NAND gate is used to pull an LED indicator LOW. The LED is in series with a 470- resistor. What is the current in the circuit when the LED is on?

1.

The output of a standard TTL NAND gate is used to pull an LED indicator LOW. The LED is in series with a 470- resistor. What is the current in the circuit when the LED is on?

[A].	7.02 mA
[B].	8.51 mA
[C].	10.63 mA
[D].	5.32 mA

Answer: Option A

Explanation:

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