calculation of change in zener voltage

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bhuvaneshnick

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i dont know how to do the calculation in the attached image.10 for dynamic resistance i dont know 0.1 and 0.01 are used plzz help.thank you in advance
 

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bhuvaneshnick said:
i dont know how to do the calculation in the attached image.10 for dynamic resistance i dont know 0.1 and 0.01 are used plzz help.thank you in advance
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10 is the dynamic resistance of the subject zener diode in ohms.
0.1 is the 10% change in zener current.
.01 is the 10mA current in amperes.
 
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