EXAMIANS
If the velocity of electromagnetic wave in free space is 3 × 10⁸ m/s, then the velocity in a medium with εr of 4.5 and μr of 2 would be
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Which of the following is not a Font style in Microsoft Word?
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Choose the word which expresses nearly the opposite meaning of the given word "WHIMSICAL"
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____are long-term (hours-long) voltage sags caused by system overload.
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The line currents in amperes in phases a, b and c respectively are 500 +j150, 100 – j600 and – 300 + j600 referred to the same reference vector with phase sequence of abc. Find the symmetrical component of currents.
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The relation between electric intensity E, voltage applied V and the distance d between the plates of a parallel plate condenser is
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A short-shunt dc compound generator supplies 50 A at 300 V. If the shunt field resistance, series field resistance and armature resistance are 30 Ω, 0.03Ω, and 0.05 Ω respectively, determine the e.m.f. generated.
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A three-phase, 12 kV, 50 Hz and 300 kW load is operating at 0.8 pf lag. If the pf is to be improved to unity, using star connected capacitor, the per phase value of the reactive VAR required is:
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Thermocouples can be connected in series/parallel to obtain greater sensitivity called as
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Calculate the inductance per meter of a 50 Ω load cable that has an capacitance of 20 pF/m.
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