Last Answer : MOSFET provides better efficiency at high frequency and its high speed switching losses are less hence MOSFET is used for high frequency.
Description : Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.
Last Answer : Power MOSFET have high turning on and turning off capability high switching speed of MOSFET is due to the high rate of change of drain voltage. The switching losses of power MOSFET ... lower frequency. Hence, operating frequency of power MOSFET is higher than that of power BJT.
Last Answer : Yes IGBT is costlier than BJT and MOSFET.
Last Answer : No MOSFET do not have a second breakdown problem.
Last Answer : MOSFET are voltage controlled devices.