Question 1 (1 points) The potential difference V(t) between parallel plates shown above is instantaneously increasing at a rate of1.04107 V/s. What is the displacement current between the plates if the separation of the plates is 204 cm and they have an area of 0.120 m2? Please enter a numerical answer below. Accepted formats are numbers or e based scientific notation eg. 0.23, *2, 'le6, 5.23e78 Enter answer here X 10'3 A Question 2 (1 points) An electromagnetic wave has a frequency of 12.3 MHz. What is its wavelength in vacuum? Please enter a numerical answer below. Accepted formats are numbers or e based scientific notation e.g. 0.23, *2, 1e6, 5.2368 Enter answer here m Question 3 (1 points) The electric eld of an electromagnetic wave traveling in vacuum is described by the following wave function: E : (5.00 V/In) cos [ km 7 (8.94 X 109 s'1)t+ 0.40 ] where k is the wavenumber in rad/m, :0 is in m, t is in 3, What is the wavelength? Please enter a numerical answer below. Accepted formats are numbers or e based scientific notation e.g. 0.23, *2, 166, 5.23e78 Enter answer here cm Question 5 (1 points) A radio station broadcasts at a frequency of 760 kHz. At a receiver some distance from the antenna, the maximum magnetic field of the electromagnetic wave detected is 2.73 x 10 ! T. What is the maximum electric field? Please enter a numerical answer below. Accepted formats are numbers or "e" based scientific notation e.g. 0.23, -2, 1e6, 5.23e-8 Enter answer here x10-3 V/mQuestion 6 (1 points) At what distance does a 100-W lightbulb produce the same intensity of light as a 75-W lightbulb produces 17.9 m away? (Assume both have the same efficiency for converting electrical energy in the circuit into emitted electromagnetic energy.) Please enter a numerical answer below. Accepted formats are numbers or "e" based scientific notation e.g. 0.23, -2, 1e6, 5.23e-8 Enter answer here mQuestion 7 (1 points) A 76'8W lightbulb emits 842% of its energy as electromagnetic radiation. What is the magnitude of the average Poynting vector 10.1 m from the bulb? Please enter a numerical answer below. Accepted formats are numbers or e based scientific notation e.g. 0.23,-2,1e6,5.23e-8 Enter answer here X 10'3 W/m2 Question 9 (1 points) If you wish to detect details of the size of atoms (about 0,205 nm) with electromagnetic radiation, it must have a wavelength of about this size. What is its frequency? u in Please enter a numerical answer below. Accepted formats are numbers or e based scientific notation eg. 0.23, *2, 'le, 5.23e78 Enter answer here X 1018 Hz Question 10 (1 points) An outdoor WiFi unit for a picnic area has a 100mW output and a range of about 265 m. What output power would reduce its range to 8.58 m for use with the same devices as before? Assume there are no obstacles in the way and that microwaves into the ground are simply absorbed. n u Please enter a numerical answer below. Accepted formats are numbers or e based scientific notation e.g. 0.23,72,1e6, 5.2368 Enter answer here mW Question 11 (1 points) A certain 60'0-Hz ac power line radiates an electromagnetic wave having a maximum electric eld strength of 11.4 kV/m. What is its maximum magnetic eld strength? Please enter a numerical answer below. Accepted formats are numbers or e based scientific notation e.g. 0.23, *2, '1 e6, 5.23e78 Enter answer here X 10'5 T