In a current bias, the voltage applied to a circuit is positive, allowing current to flow through the circuit. In a reverse bias, the voltage is negative, preventing current from flowing through the circuit.
In a current bias, the positive voltage applied to the circuit attracts electrons towards the positive terminal, allowing them to flow through the circuit and creating a current.
In a reverse bias, the negative voltage applied to the circuit repels electrons from the negative terminal, preventing them from flowing through the circuit and creating a current.
Reverse bias is commonly used to control the flow of current in electronic devices. It can be used to turn a device off or to protect it from excessive current flow.
The magnitude of reverse bias affects the width of the depletion region in a semiconductor, which is the region where no current can flow. As the reverse bias voltage increases, the depletion region becomes wider, reducing the flow of current through the semiconductor.
