Home Physics Alternating Current NCERT Examplar An alternating current generator has an inte…
Physics Alternating Current NCERT Examplar MCQ (Single Correct)

An alternating current generator has an internal resistance R g and an internal reactance X g . It is used to supply power to a passive load consisting of a resistance R g and a reactance X L . For maximum power to be delivered from the generator to the load, the value of X L is equal to:

A
Zero
B
X g
C
- X g
D
R g

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Text Solution

Verified by Experts
The correct answer is:
C

For delivering maximum power from the generator to the load, total internal reactance must be equal to conjugate of total external reactance.
Hence,

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