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The ideal characteristic of a stabilizer is:
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- constant output voltage with low internal resistance
- constant output voltage with high internal resistance
- constant internal resistance with variable output voltage
- None of these
Correct Option: A
Voltage stabilizer (i.e. zener diode or other device, that suppresses variation in a D.C. voltage) is always connected in parallel with load, so ideally its internal resistance must be zero
Lower the value of Rz gives better constant voltage.
Hence alternative (A) is the correct choice.
