फेजर निरूपण में प्रयुक्त j-नोटेशन में, काल्पनिक इकाई j2 किसका प्रतिनिधित्व करती है?

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RRB JE EE 22 Apr 2025 Shift 1 CBT 2 Official Paper
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  1. -1
  2. √-1
  3. 1
  4. 0

Answer (Detailed Solution Below)

Option 1 : -1
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Detailed Solution

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अवधारणा

जटिल समतल को इस प्रकार निरूपित किया जाता है:

फेजर निरूपण में, काल्पनिक इकाई j2 जटिल समतल में 180 डिग्री (या π रेडियन) के वामावर्त घूर्णन का प्रतिनिधित्व करती है।

यह -1 के समतुल्य है, क्योंकि j = √-1 और

j2 = (√-1)2 = -1

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