Question

1. A 6 cm-diameter parallel-plate capacitor has 0.40mm gap. What is the displacement current in the capacitor if the potential difference across the capacitor is increasing at 500,000V/s A) 25HA B) 14uA C) 10pA D) 31HA E41HA 2. An electromagnetic wave propagates along the ty direction as shown in the figure. If the electric field at the origin is along the direction, what is the direction of the magnetic field? B) -2 D)な 3. A planar electromagnetic wave is propagating in the +x direction. At a certain point P and at a given instant, the electric field of the wave is given by E- (0.082 V/m) i. What is the magnetic vector of thewave at the point P at that instant? (C = 3.0 x 108 ms) A) 0.27 nT A B) -0.27 nT k C) 0.27 nT i D) 6.8 nT k E) -6.8 nT i 4. At one instant, the electric and magnetic fields at one point of an electromagnetic wave are: E = (250, +310,-50) v/m and B-C1-79] + ak) What is the value of "a A) -33 B) +67 C) -22 D) -28

Answer 1

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