Q141
Open questionIn a D.C. machine, the value of peripheral speed should not, normally, exceed
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Electrical Machine Design
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Q142
Open questionA moving-coil permanent-magnet instrument can be used as _____ by using a low resistance shunt.
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Q143
Open questionVolt box is a component to
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Q144
Open questionFor measuring current at high frequency we should use
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Q145
Open questionIn an AC co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be
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Q146
Open questionThe adjustment of position of shading bands, in an energy meter is done to provide
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Q147
Open questionA multirangq instrument has
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Q148
Open questionWhich of the following are integrating instruments ?
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Q149
Open questionThe use of _____ instruments is merely confined within laboratories as standardizing instruments.
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Q150
Open questionIn a low power factor wattmeter the pressure coil is connected
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Q151
Open questionMaterials exhibiting zero value of resistivity are known as ______ .
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Q152
Open questionDisc windings are primarily used in
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Q153
Open questionResistances can be measured with the help of
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Q154
Open questionIf an inductance is connected in one arm of bridge and resistances in the remaining three arms
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Q155
Open questionA sensitive galvanometer produces large deflection for a
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Q156
Open questionAlternating current is measured by
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Q157
Open questionA universal RLC bridge uses
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Q158
Open questionIs an instrument which measures the insulation resistance of an electric circuit relative to earth and one another,
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Q159
Open questionare always double layer type.
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Q160
Open questionThe mcrease in heat dissipation by air blasts is due to increase in
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