Or gate Circuit
---• •----|>|------ | | | |----•Y | | | Bat. •-----|>|------ Resistance | | Earthed. Earthed
Forward biased
And gate circuit
—•. •—|
Not gate circuit
____bat___
|. |
Earthd. Rstnc
|——•Y
—•. •—-Rstnc—Trnstr
|. |
Bat. Earthed
|
Earthd