EXAMIANS
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is
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Sulphation in a lead acid battery occurs due to
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The rms value of the voltage U(t)= 3 + 4cos(3t)
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The value of E within the field due to a point charge can be found with help of
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A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be
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Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be
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The time required for a pulse to change from 10 % to 90 % of its maximum value is known as
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Basic cut set matrix consists of
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An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are
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Air gap flux density is of the order of
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