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Answer Posted / aashish
we can improve the power factor og a machine by
compensating for the lagging vars.such as we can use
synchronous capacitors ,static vars for the purpose
basically we introduce a capacitive circuit that balances
for the lagging power factor as the capacitive circuit
operates in leading power factor and improves the pwer
factor of the system.
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54 Comments Alok and Bhanu play the following min-max game. Given the expression N = 38 + X*(Y – Z) where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be?
