A uniform electric field is increasing at a constant rate over time. If the displacement current through a 1.0 cm² surface area perpendicular to the electric field vector is 3.0 nA, find the rate at which the electric field changes.

Problem 2: An electric current I0.85 A is flowing in a long wire. Consider a rectangular area with one side parallel to the wire and at a distance 0.043 m away from the wire. Let the dimensions of the rectangle be a 0.024 m and b-0.057 m Part (a) Express the magnitude of the magnetic field generated by the wire B at a distance r in terms of I and r. B(r) Но 4 5 6 BACKSPAC CLEAR Submit Hint I give up! Hints: 1% deduction per hint. Hints remaining: 3 Feedback: 1% deduction per feedback. Part (b) Express the magnetic flux, ф, in the rectangle as an integral of B(r) A Part (c) Integrate the expression in part (b) 圖 Part (d) Calculate the numerical value of φ in T-m2.

A 0.105-A current is charging a capacitor that has square plates 5.10 cm on each side. The plate separation is 4.00 mm. (a) Find the time rate of change of electric flux between the plates. (b) Find the displacement current between the plates. Click here to begin!

In the figure, a long, straight copper wire (diameter 2.46 mm and resistance 0.807 2 per 250 m) carries a uniform current of 25.0 A in the positive x direction. For point P on the wire's surface, calculate the magnitudes of (a) the electric field E, (b) the magnetic field B, and (c) the Poynting vector 3, and (d) determine the direction of S. y P (a) Number i (b) Number i (c) Number (d) -Y i Units V/m Units T Units W/m^