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(12%) Problem 5: The magnetic field through a circular loop of radius r = 15 cm varies with time, as shown. The direction of the field is perpendicular to the loop. B(x10-3T) 4 3.0 - 2.0 - 1.0 4 0 2.0 4.0 6.0 t(ms) * 33% Part (a) What is the magnitude of the induced emf, 81 , in millivolts, at time t1 = 1.0 ms? Grade Summary |al = 301 mV Deductions 0% Potential 100% sin() cos() tan() 7 8 9 HOME Submissions Attempts remaining: 10 cotan() asin() acos() E VV 5 6 (0% per attempt) atan() acotan() sinh() 3 detailed view 0% cosh() tanh() cotanh() + END N 0% O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0 for a 0% deduction. Hints remaining: 0 Feedback: 0% deduction per feedback. A 33% Part (b) What is the magnitude of the induced emf, &2 , in millivolts, at the time t2 = 3.0 ms? A 33% Part (c) What is the magnitude of the induced emf, 83 , in millivolts, at time t3 = 5.5 ms?(12%) Problem 6: A loop of wire with radius r =0.045 m is placed in a region of uniform magnetic eld with magnitude B' As shown in the gure, the eld direction is perpendicular to the plane of the loop. The magnitude of the magnetic eld changes at a constant rate from 31 =0.55 T to 32 =35 T in time At :45 s. The resistance of the wire is R =17 S2. 2:: ___,_____ | i (I \\w D W! i ' ( A 33% Part (a) Calculate, in Tesla squared meters, the magnitude of the change in the magnetic ux. Ad) = I T . m2 sin() | cos() tan() 3: ( | 7 9 cotan() | asin() acos() E | 4 6 atan() | acotan() sinh() | 1 3 cosh() | tanh() cotanh() + | 0 0 Degrees Radians Vol Submit | l l I give up! Hints: _ for a deduction. Hints remaining: _ Feedback: _ deduction per feedback. Grade Summary Deductions Potential 100% Submissions Attempts remaining: (_ per attempt) detailed View A 33% Part (b) Calculate, in volts, the average EMF induced in the loop. A 33% Part (c) Calculate, in amperes, current induced in the loop. (6%) Problem 7: Consider an electromagnetic wave with a maximum magnetic field strength of 3.5 x 10-4 T. Randomized Variables B =3.5 x 10-4T What is the maximum electric field strength in the wave in k V/m? Grade Summary Eo = Deductions 0% Potential 100% sin() cos() tan() 7 8 HOME Submissions Attempts remaining: 12 cotan() asin acos() A A 5 6 (0% per attempt) atan() acotan() sinh() 3 detailed view cosh() tanh() cotanh() O END O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. All content @ 2023 Expert TA, LLC(6%) Problem 8: A radar used to detect the presence of aircraft receives a pulse that has reflected off an object 7.5 x 10- s after it was transmitted. Randomized Variables t = 7.5 x 10 s What is the distance in m from the radar station to the reflecting object? Grade Summary d = Deductions 0% Potential 100% sin() cos() tan() 7 8 9 HOME Submissions Attempts remaining: ] cotan() asin() acos() E 5 6 (0% per attempt) atan() acotan() sinh() 2 3 detailed view cosh() tanh() cotanh() + END O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 3 Feedback: 0% deduction per feedback.(6%) Problem 9: A 3.31 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for one channel) of 7.52 u V/m. theexpertta.con A 33% Part (a) What is the intensity, in watts per squared meter, of this wave? Grade Summary I = W/m2 Deductions Potential 100 sin() cos() tan() 7 8 9 HOME Submissions Attempts remaining: cotan() asin() acos() E 5 6 (0% per attempt) acotan sinhC 2 3 detailed view atan( cosho tanh() cotanh() + 0 END Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 3 Feedback: 0% deduction per feedback. 4 33% Part (b) What is the power, in watts, received by the antenna? 4 33% Part (c) If the orbiting satellite broadcasts uniformly over an area of 1.50 x 10 m (a large fraction of North America), how much power, in watts, does it radiate?(6%) Problem 11: The wavelengths of visible light range from 400 to 700 nm. *50% Part (a) What is the maximum frequency of visible light in hertz? Grade Summary fmax = 7501 Deduction Potential 100 sin() cos() tan() 7 8 9 HOME Submissions Attempts remaining: cotan() asin() acos() E vv 5 6 (0% per attempt) sinh( 2 3 detailed view atan( acotan 1 0% cosho tanh() cotanh() + END N 0% Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 2 for a 0% deduction. Hints remaining: 0 Feedback: 0% deduction per feedback. -What wavelength will correspond to maximum frequency? The frequency and wavelength are inversely related, so a large frequency means a small wavelength. 4 50% Part (b) What is the minimum frequency of visible light in hertz