Photogate Timer with 5 Timing Modes, Pair of Photogates and Mounting Rods Subcategory_Skeletons Used to verify the exclusive-OR

Used to verify the exclusive-OR truth table on a hands-on board

dropping a chosen capacitor into a circuit without unsoldering during introductory RC-circuit and resonance investigations at the bench

Used to draw electrons from glass and ebonite rods during rubbing

this enhanced optical bench set ships with a lamp housing and a matched complement of optical components

sodium benzoate

Photogate Timer with 5 Timing Modes, Pair of Photogates and Mounting Rods Subcategory_Skeletons Used to verify the exclusive-ORFive timing modes (Interval, Frequency, Period, Count, Stopwatch) drive a pair of photogates on mounting rods, capturing pendulum periods, freefall times, and rolling velocities.