Electric Circuits When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by ω σ/ε. ω ε/σ. σ/ω ε. σ ω ε. ω σ/ε. ω ε/σ. σ/ω ε. σ ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The charge of an electron is - 1.602 × 10 - 19 Coulombs. - 1.672 × 10 - 27 Coulombs. - 1.675 × 10 - 27 Coulombs. - 9.109 × 10 - 31 Coulombs. - 1.602 × 10 - 19 Coulombs. - 1.672 × 10 - 27 Coulombs. - 1.675 × 10 - 27 Coulombs. - 9.109 × 10 - 31 Coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of unity impulse function at time (t) = 0 is infinite. 1. indeterminate. 0. infinite. 1. indeterminate. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Mercury. Aluminium. Lead. Copper. Mercury. Aluminium. Lead. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Reactive power drawn by a pure resistor is maximum minimum None of these 0 maximum minimum None of these 0 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The voltage across each bulb is not same. None of these The current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. None of these The current through each bulb is same. The power dissipation in each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
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