The point intersection of DC and AC load line is knows as ____.

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RRB ALP CBT 2 Electronic Mechanic Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. Voltage gain. 
  2. Operating point. 
  3. Power gain.
  4. Current gain. 

Answer (Detailed Solution Below)

Option 2 : Operating point. 
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The operating point is also called the quiescent point and for a transistor, it is given as \(\left( {{{\rm{I}}_{\rm{C}}},{\rm{\;}}{{\rm{V}}_{{\rm{CE}}}}} \right)\)

  • The ac load line of a transistor circuit is steeper than its dc load line but the two intersect at Q point
  • When AC and DC Load lines are represented in a graph, it can be understood that they are not identical
  • Both lines intersect at the Q-point or quiescent point; The endpoints of the AC load line are saturation and cut off points; This is understood from the figure below

RRB JE EE 138 15Q Basic Electronics 1 Hindi - Final.docx 1.PNG 3

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