The induced magnetic field at radial distance 7.6 mm from the central axis of a circular parallel-plate capacitor is 2.2 × 107 T. The plates have radius 2.3 mm. At what rate is the magnitude of the electric field between the plates changing? Number i Units
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plates have radius 2.3 mm. At what rate is the magnitude of the electric field between the plates changing?
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- A rocket zooms past the earth at v = 2.0 x 10 m/s. Scientists on the rocket have created the electric and magnetic fields shown in the figure. (Figure 1) Assume that B=0.60 T and E = 6.0x105 V/m. Figure B E 2.0 × 10 m/s 1 of 1 ▼ Part A What is the electric field strength measured by an earthbound scientist? Express your answer using two significant figures. VE ΑΣΦ Submit Part B Up Down O Left What is the direction of the electric field measured by an earthbound scientist? B = Request Answer Right Into the page Submit Out of the page Part C Stad Request Answer ? V/m What is the magnetic field strength measured by an earthbound scientist? Express your answer using two significant figures. VE ΑΣΦ LITER ? T1. A magnetic field has a magnitude of 1.20 x 10 T, and an electric field has a magnitude of 4.70 x 10° N/C. Both fields point in the same direction. A positive 2.5 µC charge moves at a speed of 3.00 x 10° m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge. NA 68.0-cm-diameter cyclotron uses a 450 V oscillating potential difference between the dees. Part A What is the maximum kinetic energy of a proton if the magnetic field strength is 0.740 T? Express your answer with the appropriate units. Value Submit Part B μA Submit Units Request Answer IV—| ΑΣΦ 3 How many revolutions does the proton make before leaving the cyclotron? ? Request Answer ?
- Q. Consider the configuration shown on the right, the inner cylindrical conductor of radius 'a' surrounded by a cylindrical shell of inner radius 'b' and outer radius 'c'. The inner conductor and the outer shell each carry equal and opposite currents I. Where I is uniformly distributed through the conductors. a I a) Find the magnetic field intensity for r< a and aA rod is moving from left to right toward a resistor along two parallel conducting rails. The entire loop is inside a magnetic field oriented out of the page. The rod is moving 81m/s the magnetic field has a magnitude of 4.1T and induce in the loop is 5.8V. what is the length of the rod in m the resistor has a resistance of 55. What is the current through the rod in A what is the magnitude of the lerntz force on the rod in NThe magnitude of the electric field between the two circular parallel plates in the figure isE = (5.3 × 106)-(4.9 × 105t),with E in volts per meter and t in seconds. At t = 0, the field is upward. The plate area is 5.5 × 10-2 m2. For t > 0, what is the magnitude of the displacement current between the plates?A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? a. 7.85 x 10 Tm² b. 1.57 x 10 4 T m² O c. 3.14 x 10 3 T m2 O d. 0 T m2The induced magnetic field at radial distance 5.8 mm from the central axis of a circular parallel-plate capacitor is 1.8 × 10-8 T. The plates have radius 4.0 mm. At what rate is the magnitude of the electric field between the plates changing? Number i UnitsConsider a straight conductor of length 15 cm. The conductor moves at right angles to a magnetic field of uniform strength B = 10-³ T generating e.m.f. of 2,5 x 10-5 V. Calculate the velocity of the straight conductor. Give your answer in Sl units. Answer: m/s ♦