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- A 0.102-A current is charging a capacitor that has square plates 4.20 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.Q: The radiation intensity of an antenna is given by: U= 5 sin 20 for 0 ≤0 ≤ 1/2 and lo-4A Find: a) Read b) Do c) HPBW d) FNBW e) Sketch the pattern.Right naao
- A parallel-plate, air-filled capacitor is being charged. The circular plates have radius 4.00 cm, and at aparticularinstant the conduction current in the wires is 0.520 A. What is the induced magneticfield between the plates at a distance of 2.00 cm from the axis?A flat electromagnetic wave of frequency 50GHz travels in free space in the -Y direction at some point and at a certain instant the electric field has its maximum value 700V / m and is forming an angle of 60 ° in the (-ZX) plane. knows that the movement of the particles is clockwise. Determine: a. The expressions for the electric and magnetic field b. Find the moment per unit volume5) A circular-plate capacitor with radius 10.0 cm and plate separation 4.00 mm is being charged with a 0.100 A current. Calculate the a) the time rate of change of electric flux between the plates and b) the displacement current. c) the magnetic field between the plates, 5.00 cm from the center. 6) An electromagnetic wave in vacuum has an electric field amplitude of 100 V/m and frequency of 60 kHz. Calculate the a) amplitude, b) frequency of the corresponding magnetic field.
- 4. A spotlight shines onto a square target of area 0.35 m?. If the average rms strength of the magnetic field in the EM waves of the spotlight is 1.2 x 107 T, calculate the energy transferred to the target if it remains in the light for 12 minutes. (Give answer in joules) F3 FB #3 2$ 4 & * 2 3 5 8 9 W E T U K1:.0 O %).. N O a all zain 1Q O 24 May 2021 a... H.W: If a (10 mJ) laser pointer creates a spot that is 5 mm in diameter in a 30 second, determine the radiation pressure on a screen that absorbs 40% of the light that strikes it.Determine the minimum transmission BW in a (FDM/AM & SSB) system transmitting 30 different messages, each message signal have BW of 4 kHz.
- 7A parallel-plate, air-filled capacitor is being charged. The circular plates have radius 4.00 cm, and at aparticularinstant the conduction current in the wires is 0.520 A. At1.00 cm from the axis?What are the associated peak amplitudes of the E and H fields if sunlight has a maximum intensity of 1300 W/m2 on the earth's moon? Calculate the relative strengths of the forces on the moon due to the gravitational field of (a) the Earth, (b) the Sun (c) the force from solar pressure on the moon. Use internet or other resources to estimate any required physical constants, masses, distances and areas