EXAMIANS
What is the value of skin depth as 100 Hz in a material having μr = 1.0 and & σ = 3.60 × 107 s/m
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A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be
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Electric field intensity (E) at ant point in an electric field is equal to
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The Biot-savarts law is a general modification of
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A Yagi antenna has a driven antenna
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The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by
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An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be
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In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t)
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In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is
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A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by
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