The purpose of providing dummy coils in a generator is
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Electrical Engineering · all questionsD.C. Generators
D.C. Generators
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Brushes of D.C. machines are made of
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Lap winding is composed of
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Wave winding is composed of
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The commutator segments are connected to the armature conductors by means of
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Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator?
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Open circuited armature coil of a D.C. machine is
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In lap winding, the number of brushes is always
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Which of the following generating machine will offer constant voltage on all loads?
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The number of brushes in a commutator depends on
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D.C. generator generally preferred for charging automobile batteries is
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To avoid formation of grooves in the commutator of a D.C. machine
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The main factor which leads to unstable parallel operation of flat and over compounded generators is
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The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except
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For a D.C. machines laboratory following type of D.C. supply will be suitable
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When two D.C. series generators are running in parallel, an equalizer bar is used
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When two D.C. generators are running in parallel an equalizer bar is used
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The armature core of a D.C. generator is usually made of
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In a D.C. generator the ripples in the direct e.m.f. generated are reduced by
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Q100
Open questionMagnetic field in a D.C. generator is produced by
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