[amp_mcq option1=”Drain region” option2=”Channel region” option3=”Switch region” option4=”Bulk region” correct=”option2″]
The correct answer is: B. Channel region
The channel region is a thin layer of semiconductor material between the source and drain regions of a MOSFET. When a positive voltage is applied to the gate, it attracts electrons from the channel region, which creates a current that flows from the source to the drain.
The drain region is the region of the MOSFET that is connected to the positive terminal of the power supply. The source region is the region of the MOSFET that is connected to the negative terminal of the power supply. The switch region is the region of the MOSFET that is between the gate and the channel region. The bulk region is the region of the MOSFET that is not connected to either the gate or the channel region.
When a positive voltage is applied to the gate, it creates an electric field that attracts electrons from the channel region. This creates a current that flows from the source to the drain. The amount of current that flows is proportional to the voltage applied to the gate.
MOSFETs are used in a variety of electronic devices, including computers, cell phones, and televisions. They are also used in power electronics, such as inverters and power supplies.