AND Gate (Series Circuit)

Both switches must be closed for the current to flow and light the bulb.

+ - 9V Switch A Switch B

Logic & Circuits

Understanding digital logic through physical switches.

Instructions

  • Click the switches in the circuit to open or close them.
  • Observe how the electrical current flows (red wire = energized).
  • Watch how the Truth Table updates automatically based on your actions.
Truth Table
Input A
(Switch A)		 Input B
(Switch B)		 Output
(Bulb)
0 0 0
0 1 0
1 0 0
1 1 0

Key

1 ON / Closed
0 OFF / Open