Question 10 5 pts On average, a 3-V spotlight draws 0.25 A of current and generates...
Question 10 5 pts On average, a 3-V spotlight draws 0.25 A of current and generates a cylindrical beam of visible light that has an area of 5 cm2. What is the average intensity of the beam? O 0.25 W/square meter O 0.75 W/square meter o 250 W/square meter O 750 W/square meter O 1500 W/square meter L
On average, a 3-V spotlight draws 0.25 A of current and generates a cylindrical beam of visible light that has an area of 5 cm? What is the average intensity of the beam? O 0.25 W/square meter O 0.75 W/square meter 250 W/square meter 750 W/square meter O 1500 W/square meter
On average, a 3-V spotlight draws 0.25 A of current and generates a cylindrical beam of visible light that has an area of 5 cm2. What is the average intensity of the beam? O 0.25 W/square meter O 0.75 W/square meter O 250 W/square meter O 750 W/square meter O 1500 W/square meter
Question 10 5 pts Aradio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E12 photons/cubic meter 1.0E16 photons/cubic meter OO 1.0E20 photons/cubic meter 1.4E31 photons/cubic meter 6.1E32 photons/cubic meter Question 11 5 pts A square planar loop of coiled wire has a length of 0.25 m on a side and is rotated 60 times per second between the poles of a...
cL Fig. 3. Toroid of Question 3 1.50 1.25 1.00 0.75 0.25 0 250 750 1000 1250 1500 1750 2000 2250 Magnetic field intensity, H(A.t/m) Fig. 4. Saturation curve of the toroid in Fig. 3 Question 3. The toroid of Fig. 3 has the following parameters: a- 10 cm, b- 15 cm, N- 200 turns, I-1.57 A. The core is made of a ferromagnetic material with the saturation curve of Fig. 4. Determine the maximum magnitude of the flux density...
Question 10 5 pts A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E12 photons/cubic meter 1.0E16 photons/cubic meter 1.0E20 photons/cubic meter O 1.4E31 photons/cubic meter 06.1E32 photons/cubic meter
Question 10 5 pts A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E12 photons/cubic meter 1.0E 16 photons/cubic meter 1.0E20 photons/cubic meter O 1.4E31 photons/cubic meter O 6.1E32 photons/cubic meter
Question 10 5 pts A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter O 1.0E 16 photons/cubic meter O 1.0E20 photons/cubic meter O 1.4E31 photons/cubic meter O 6.1E32 photons/cubic meter
Question 10 5 pts A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? M C 1.0E12 photons/cubic meter C 1.0E 16 photons/cubic meter C 1.0E20 photons/cubic meter 1.4E31 photons/cubic meter C 6.1E32 photons/cubic meter
Question 10 5 pts A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter O 1.0E 16 photons/cubic meter O 1.0E20 photons/cubic meter O 1.4E31 photons/cubic meter O 6.1E32 photons/cubic meter