series with them.
2) Redraw the circuit and apply Ohms law (V=I*R) to find currents.
I 1 = V / R = 5 / 1000 = 0.005 A = 5 mA
I 2 = V / R = 5 / 501000 = 0.00001 A = 10 uA
Note: The amount of current through each resistor is inversely proportional to the size of the
resistors.
Using a switch to create logic 1 “+5 v” and logic 0 “Ground or 0 v”
1 k Ω
Switch
+
+5V
-
Output:
”1” when switch is open
”0” when switch is closed
Typically
drawn as
1 k Ω
Vcc
Gnd
Output
1 kΩ
+
+5V
-
I (^1) I 2
501 k Ω
1 kΩ (^) 1 M Ω
+
+5V
-
I 1 I 2
1 kΩ
1 M Ω
1/R 1 = 1/10^6 + 1/10^6 = 2/10^6 R 1 = 500 kΩ
R 2 = 500 + 1 = 501 kΩ