For the power semiconductor devices $IGBT, MOSFET$, Diode and Thyristor, which one of the following statements is TRUE?
- All the four are majority carrier devices.
- All the four are minority carrier devices.
- $IGBT$ and $MOSFET$ are majority carrier devices, whereas Diode and Thyristor are minority carrier devices.
- $MOSFET$ is majority carrier device, whereas $IGBT$, Diode, Thyristor are minority carrier devices.