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A $200$ V DC series motor, when operating from rated voltage while driving a certain load, draws $10$ A current and runs at $1000$ r.p.m. The total series resistance is $1 \: \Omega$. The magnetic circuit is assumed to be linear. At the same supply voltage, the load torque is increased by $44 \%$. The speed of the motor in r.p.m (rounded to the nearest integer) is _____________
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sir will the range be extended i wrote it as 831 because of slight calculation mistake and it is within the +/-1% range close to the actual answer.Has anybody challenged the question.
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