DC machine windings are
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In a DC shunt motor if field current is decreased then the speed of the motor is
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When the ratio of back E.MF to applied voltage is ___ than the mechanical power develop by the shunt generator is maximum?
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Which of the following will decrease when the supply voltage of a D.C motor is increased?
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The condition for maximum power in D.C motor is
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Which of the following is not the function of pole shoe in DC motor?
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In D.C motor the percentage of residual magnetism is
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The reason for providing field winding of DC motor with thick wire is
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Why is the DC motor preferred over AC motor?
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Ta be the armature torque and Ia be the armature current then which of the following relation is valid for DC series motor before saturation?
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Which DC motor is preferred for crane and hoist?
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What will happen if the 220 volts DC series motor is connected to 220 Volt Ac supply?
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