Basic Characteristics MCQ

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

• The most suitable device for high-frequency inversion in switching mode power supply is ______
  ক

  GTO

  খ

  BJT

  গ

  MOSFET

  ঘ

  IGBT
• The slope of the I-V curve is 87°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.
  ক

  0.0524 Ω

  খ

  0.0254 Ω

  গ

  0.0543 Ω

  ঘ

  0.0648 Ω
• Calculate the value of the frequency if the time period of the signal is 0 sec.
  ক

  infinity

  খ

  0.4 Hz

  গ

  0.2 Hz

  ঘ

  0.78 Hz
• When a UJT is used for triggering an SCR, then the wave shape of voltage obtained from the UJT circuit will be ____________
  ক

  Square

  খ

  Pulse

  গ

  Trapezoidal

  ঘ

  Saw-tooth
• Displacement is a ____________ quantity.
  ক

  Scalar

  খ

  Vector

  গ

  Scalar and Vector

  ঘ

  Tensor
• Calculate the velocity of the wheel if the angular speed is 25 rad/s and radius is 10 m.
  ক

  250 m/s

  খ

  260 m/s

  গ

  270 m/s

  ঘ

  240 m/s
• The unit of Magento-motive force is Ampere-turns.
  ক

  True

  খ

  False
• Armature reaction is demagnetizing in nature due to purely lagging load.
  ক

  True

  খ

  False
• Calculate the terminal voltage of Permanent Magnet DC motor having a resistance of 2 Ω and a full load current of 5 A with 20 V back e.m.f.
  ক

  30 V

  খ

  25 V

  গ

  20 V

  ঘ

  31 V