SOAs MCQ

Test your knowledge with important SOAs MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more SOAs MCQs at Bissoy

• For MOSFET’s SOA, as the pulse width goes on increasing, the maximum voltage rating ____ & current rating ____
  ক

  is constant, increases

  খ

  increases, decreases

  গ

  decreases, is constant

  ঘ

  constant, decreases
• The SOA for an IGBT is plotted for
  ক

  Ic versus Vge

  খ

  Ig versus Ic

  গ

  Ig versus Vce

  ঘ

  Ic versus Vce
• The SOA for a MOSFET is plotted for
  ক

  Id versus Vds

  খ

  Ig versus Id

  গ

  Ig versus Vds

  ঘ

  Id versus Vgs
• For a BJT, find the maximum power dissipation when the device is safely operated at Vce = 90V and Ic = 0.5A
  ক

  40 Watts

  খ

  35 Watts

  গ

  45 Watts

  ঘ

  30 Watts
• A device is operating at Ic = 4A & Vce = 50V. For the device to operate at Ic = 20A (Without damaging),
  ক

  voltage should be increased

  খ

  voltage should be reduced

  গ

  voltage can be kept constant

  ঘ

  current has to increased further
• The SOAs provided by the manufacturers are for
  ক

  single pulse operation & a particular temperature

  খ

  multi pulse operation & all the temperature

  গ

  all the conditions

  ঘ

  a particular duty cycle operation
• As the FSOA increases, the pulse width
  ক

  decreases

  খ

  increases

  গ

  remains constant

  ঘ

  vanishes
• The SOAs are plotted always on a _________ scale
  ক

  time

  খ

  frequency

  গ

  logarithmic

  ঘ

  polynomial
• The forward safe operating area (FSOA) pertains to the operation when
  ক

  the device is fired at a 50% Duty cycle

  খ

  the device is forward-biased

  গ

  the device is operated on AC

  ঘ

  the device is operated on DC
• For a transistor, the safe operating area (SOA) is a plot of
  ক

  Ib versus Vce

  খ

  Ib versus Ic

  গ

  Ic versus Vce

  ঘ

  Ic versus time