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Karan Singh
24 Apr 2019 12:18 PM study24x7 study24x7

When an extra SCR is connected in series with a string

A

DRF decreases

B

DRF increases

C

DRF remains constant

D

None of the mentioned

Railways IIT-JEE Sciences
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  • geet sharma
    • DRF = 1 – String efficiency
    String Efficiency = Rating of the whole string/(rating of one SCR x number of SCRs)
    Extra SCR will reduce the string efficiency which in turn increase the DRF.

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    Like
    Reply 24 Apr 2019 12:43 PM
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