EXAMIANS
For measuring a very high resistance we should use
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When checked with an ohm meter an open resistor reads
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A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read
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The Metric System is also called as:
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The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are
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The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement?
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The chemical effect of current is used in
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The problem of Electrostatic coupling in a transformer is acute at
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The scale of hot wire ammeter is
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On a simple ohmmeter, the 0 Ω mark is _______ of the scale.
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