Given that PORTA.4 on a PIC16F84 is an open-drain output, if a resistor (of resistance R) is attached from a 5 V supply to pin RA4, what could you say about the current through the resistor after the following statement is executed?Low PORTA.4
A. it would be approximately 5V/R practically immediately
B. it would decrease gradually (over a few tenths of a second)
C. it would be approximately R/5V practically immediately
D. it would increase gradually (over a few tenths of a second)
E. it would be 0
Answer: E
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