Voltage, Current and Power in a Delta Connected System MCQ

Test your knowledge with important Voltage, Current and Power in a Delta Connected System MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Voltage, Current and Power in a Delta Connected System MCQs at Bissoy

• A balanced delta-connected load of (2+j3) Ω per phase is connected to a balanced three-phase 440V supply. The phase current is 10A. Find the apparent power.
  ক

  10955.67 VAR

  খ

  10.95567 VAR

  গ

  109.5567 VAR

  ঘ

  1.095567 VAR
• A balanced delta-connected load of (2+j3) Ω per phase is connected to a balanced three-phase 440V supply. The phase current is 10A. Find the total active power.
  ক

  7.26W

  খ

  726W

  গ

  7260W

  ঘ

  72.6W
• In a delta connected system, the expression of power (P) is?
  ক

  VLILcosφ W

  খ

  √3 VLILcosφ W

  গ

  3VLILcosφ W

  ঘ

  3√3VLILcosφ W
• The line currents are ________ behind respective phase currents in a delta connected system.
  ক

  120⁰

  খ

  90⁰

  গ

  60⁰

  ঘ

  30⁰
• The relation between IL and IPh is in a delta connected system is?
  ক

  IL = IPh

  খ

  IL = √3 IPh

  গ

  IL = 3 IPh

  ঘ

  IL = 3√3IPh
• In a delta-connected system, the currents IR = IB = IY =?
  ক

  IPh

  খ

  2IPh

  গ

  3IPh

  ঘ

  4IPh
• In delta-connected system, the currents IR, IY, IB are equal in magnitude and they are displaced by _____ from one another.
  ক

  0⁰

  খ

  60⁰

  গ

  90⁰

  ঘ

  120⁰
• In a delta connected system, the voltage across the terminals R and Y is 400∠0⁰. Find the line voltage VBR.
  ক

  400∠240⁰

  খ

  400∠120⁰

  গ

  400∠-240⁰

  ঘ

  400∠-120⁰
• In a delta connected system, the voltage across the terminals R and Y is 400∠0⁰. Find the line voltage VYB.
  ক

  400∠120⁰

  খ

  400∠-120⁰

  গ

  400∠240⁰

  ঘ

  400∠-240⁰
• In a delta connected system, the voltage across the terminals R and Y is 400∠0⁰. Calculate the line voltage VRY. Assume RRY phase sequence.
  ক

  400∠0⁰

  খ

  400∠120⁰

  গ

  400∠-120⁰

  ঘ

  400∠240⁰