Voltage and Current Sources MCQ

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

• A voltage source of 300 V has internal resistance of 4Ω and supplies a load having the same resistance. The power absorbed by the load is?
  ক

  1150 W

  খ

  1250 W

  গ

  5625 W

  ঘ

  5000 W
• A voltage source having an open circuit voltage of 200 V and internal resistance of 50Ω is equivalent to a current source of ___________
  ক

  4A with 50Ω in parallel

  খ

  4A with 50Ω in series

  গ

  0.5A with 50Ω in parallel

  ঘ

  none of the mentioned
• A constant current source supplies a electric current of 200 mA to a load of 2kΩ. When the load changed to 100Ω, the load current will be ___________
  ক

  9mA

  খ

  4A

  গ

  700mA

  ঘ

  12A
• If a current source is to be neglected, the terminals across the source are ___________
  ক

  replaced by a source resistance

  খ

  open circuited

  গ

  replaced by a capacitor

  ঘ

  short circuited
• With some initial change at t = 0+, a capacitor will act as ___________
  ক

  open circuit

  খ

  short circuit

  গ

  a current source

  ঘ

  a voltage source
• A dependent source ___________
  ক

  may be a current source or a voltage source

  খ

  is always a voltage source

  গ

  is always a current source

  ঘ

  none of the mentioned
• Which of the following is true about an ideal voltage source?
  ক

  zero resistance

  খ

  small emf

  গ

  large emf

  ঘ

  infinite resistance
• Constant voltage source is ___________
  ক

  active and bilateral

  খ

  passive and bilateral

  গ

  active and unilateral

  ঘ

  passive and unilateral
• A practical voltage source can also be represented as ___________
  ক

  a resistance in series with an ideal current source

  খ

  a resistance in series with an ideal voltage source

  গ

  a resistance in parallel with an ideal voltage source

  ঘ

  none of the mentioned
• A practical current source can also be represented as ___________
  ক

  a resistance in parallel with an ideal voltage source

  খ

  a resistance in parallel with an ideal current source

  গ

  a resistance in series with an ideal current source

  ঘ

  none of the mentioned
• In a network consisting of linear resistors and ideal voltage source, if the value of resistors are doubled, then voltage across each resistor ___________
  ক

  increases four times

  খ

  remains unchanged

  গ

  doubled

  ঘ

  halved
• In case of ideal current sources, they have ___________
  ক

  zero internal resistance

  খ

  low value of voltage

  গ

  large value of currrent

  ঘ

  infinite internal resistance
• Voltage source and terminal voltage can be related as ___________
  ক

  terminal voltage is higher than the source emf

  খ

  terminal voltage is equal to the source emf

  গ

  terminal voltage is always lower than source emf

  ঘ

  terminal voltage cannot exceed source emf
• For a voltage source to be neglected, the terminals across the source should be ___________
  ক

  replaced by inductor

  খ

  short circuited

  গ

  replaced by some resistance

  ঘ

  open circuited
• Pick the incorrect statement among the following.
  ক

  Inductor is a passive element

  খ

  Current source is an active element

  গ

  Resistor is a passive element

  ঘ

  Voltage source is a passive element