Save guides, add subjects and pick up where you left off with your BBC account. Variable resistors have many practical applications including volume controls, eg on a radio, and speed controls, eg ...

Explore snubber circuits and their vital role in protecting semiconductor switches from voltage spikes and ringing.

Several wires and light bulbs plug into the board to make various series and parallel circuits. The brightness of the bulbs changes depending on the circuit configuration. Ask students to guess the ...

Save guides, add subjects and pick up where you left off with your BBC account. 1) Position 1: more than \(0.1 A\), \(0.1 A\) or less than \(0.1 A\)? 2) Position 2: more than \(0.1 A\), \(0.1 A ...