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What is the minimum frequency accepted for the motor, used in current production of high frequency induction furnace?(a) 430 cycles/second(b) 500 cycles/second(c) 550 cycles/second(d) 600 cycles/second |
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Answer» The correct option is (b) 500 cycles/second For explanation I would say: In high frequency induction furnace, motors which are equipped for the production of high frequency current can have a minimum frequency of 500 cycles every second. |
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