[amp_mcq option1=”Vg” option2=”Vds” option3=”Vdd” option4=”Vss” correct=”option1″]
The correct answer is: A. Vg
Ids is the drain current of a MOSFET, and it depends on the gate-source voltage (Vgs), the drain-source voltage (Vds), and the temperature.
The gate-source voltage is the voltage difference between the gate and source terminals of the MOSFET. When a positive voltage is applied to the gate, it attracts positive charges to the channel, which allows current to flow from the drain to the source. The higher the gate-source voltage, the more current will flow.
The drain-source voltage is the voltage difference between the drain and source terminals of the MOSFET. When a positive voltage is applied to the drain, it pushes positive charges away from the channel, which makes it more difficult for current to flow. The higher the drain-source voltage, the less current will flow.
The temperature also affects the drain current. As the temperature increases, the resistance of the channel decreases, which allows more current to flow.
The answer to the question is A. Vg. The gate-source voltage is the most important factor that affects the drain current of a MOSFET.