Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > The hybrid parameter h21is called?a)open circ...
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The hybrid parameter h21 is called?
- a)open circuit output admittance
- b)open circuit reverse voltage gain
- c)short circuit forward current gain
- d)short circuit input impedance
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The hybrid parameter h21is called?a)open circuit output admittanceb)op...
h21 = I2/I1 |V2 = 0. So the hybrid parameter h21 is called short circuit forward current gain.
Most Upvoted Answer
The hybrid parameter h21is called?a)open circuit output admittanceb)op...
Explanation:
Short Circuit Forward Current Gain (h21)
- The hybrid parameter h21, also known as short circuit forward current gain, is a key parameter in the analysis of a transistor's behavior.
- It represents the change in collector current with respect to the change in base current when the collector-emitter junction is short-circuited.
- This parameter is crucial in determining the amplification capabilities of a transistor in its active region.
- A higher value of h21 indicates a higher current gain and better amplification properties of the transistor.
- It is an essential parameter in designing and analyzing transistor circuits for various applications in electronics.
Therefore, the correct answer is short circuit forward current gain (c) for the hybrid parameter h21.
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