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If the resistors of star connected system are ZR, ZY, ZB then the impedance ZRY in delta connected system will be?

Posted: Thu Jul 14, 2022 10:59 am
by answerhappygod
a) (ZRZY + ZYZB + ZBZR)/ZB
b) (ZRZY + ZYZB + ZBZR)/ZY
c) (ZRZY + ZYZB + ZBZR)/ZR
d) (ZRZY + ZYZB + ZBZR)/(ZR+ZY)