Homework Answers
Use Faraday’s law of electromagnetic induction to find the EMF
and user the resistance to find the current as shown
below,
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(13) 7. The magnetic field through the conducting square loop at the right changes according to...
[13] 7. The magnetic field through the conducting square loop at the right changes according to...
[13] 7. The magnetic field through the conducting square loop at the right changes according to the relation B(0) = 2.50 -6.81 +5 T, wherer is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 2. Determine the current (magnitude and direction) in the loop at t= 5.6 seconds? (Hint: For the direction of the current you need determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x...
[13) 7. The magnetic field through the conducting square loop at the right changes according to...
[13) 7. The magnetic field through the conducting square loop at the right changes according to the relation B(0) -2.50 -6.87 +5 T, wherer is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 6. Determine the current (magnitude and direction) in the loop at t -5.6 seconds? (Hint: For the direction of the current you need determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x 10...
[13) 7. The magnetic field through the conducting square loop at the right changes according to...
[13) 7. The magnetic field through the conducting square loop at the right changes according to the relation B (t) 2.51-6.87 +5 T, wherer is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 10. Determine the current (magnitude and direction) in the loop at t -5.6 seconds? (Hint: For the direction of the current you need determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x 10A....
IOLSAULDIOIT OnarrietAT(C: [13] 7. The magnetic field through the conducting square loop at the right changes...
IOLSAULDIOIT OnarrietAT(C: [13] 7. The magnetic field through the conducting square loop at the right changes according to the relation B(t) 2.5-6.8t +5 T, where t is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 uQ. Determine the current (magnitude and direction) in the loop at t-5.6 seconds? (Hint: For the direction of the current you need determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x...
[13] 7. The magnetic field through the conducting square loop at the right changes according to...
[13] 7. The magnetic field through the conducting square loop at the right changes according to the relation B(t) - 2.5r-6.8t+5 T, where t is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 u. Determine the current (magnitude and direction) in the loop at t- 5.6 seconds? (Hint: For the direction of the current you need. determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x 10...
[6] 2. In the previous problem, how long after switch is closed until the magnetic field...
[6] 2. In the previous problem, how long after switch is closed until the magnetic field is stable? Answer: (a) 1.38 ms. (6) 1.85 ms (c) 2.33 ms. (d) 2.79 ms. (e) 341 ms. (1) - [8] 3. An AC generator is connected to a circuit. The generator's emfis E(0) - 152 V sin(at). If the maximum current that results is 150 mA circuit, -5.01 x 10rad/s and the phase angle is -85.6 degrees, complete the following (0) = sin...
Use the figure at the right for problems 1 and 2. 2nswers. The [6] 1. A 5.61 m2 resistor, 1.55 pH inductor and swit...
Use the figure at the right for problems 1 and 2. 2nswers. The [6] 1. A 5.61 m2 resistor, 1.55 pH inductor and switch are connected in series across an ideal EMF source E 9.50 V. How much energy is stored in the magnetic field of the inductor when switch S is closed and the magnetic field becomes stable? Answer: (a) 1.88 J. (b) 2.22 J (c) 2.77 J. (d) 3.20 J. (e) 3.79 J (0 [6] 2. In the...
The magnetic field passing perpendicularly through a square conducting loop of side length 1.0 m as...
The magnetic field passing perpendicularly through a square conducting loop of side length 1.0 m as shown decreases linearly from 3.0 T to 1.2 T in 2.5 seconds. What is th induced EMF (in V) and the direction of the induced current? BO
A conducting square loop is in a uniform magnetic field B as shown. The side length...
A conducting square loop is in a uniform magnetic field B as shown. The side length of the loop is L = 60 cm, and the loop has an effective resistance of R = 0.045 Ohm. The magnitude of B decreases steadily from an initial value B_0 = 0.050 T to zero in 0.20 seconds, and stays at zero afterwards. Find the magnitude of the induced emf in the loop. What is the current in the loop? And in what...
2. A square loop (L-0.30 m) consists of 45 closely wrapped turns, each carrying a current of 0.40...
2. A square loop (L-0.30 m) consists of 45 closely wrapped turns, each carrying a current of 0.40 A. The loop, hinged along the y-axis, is oriented as shown in a uniform magnetic field of 0.60 T directed in the positive x direction. (a) [6 pts.] What is the magnitude of the torque on the loop? (b) 12 pts] Draw magnetic moment and torque vectors in the figure. 60° (c) [2 pts.] As viewed from above, in what direction does...
[13] 7. The magnetic field through the conducting square loop at the right changes according to the relation B(0) = 2.50 -6.81 +5 T, wherer is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 2. Determine the current (magnitude and direction) in the loop at t= 5.6 seconds? (Hint: For the direction of the current you need determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x...
[13) 7. The magnetic field through the conducting square loop at the right changes according to the relation B(0) -2.50 -6.87 +5 T, wherer is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 6. Determine the current (magnitude and direction) in the loop at t -5.6 seconds? (Hint: For the direction of the current you need determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x 10...
[13) 7. The magnetic field through the conducting square loop at the right changes according to the relation B (t) 2.51-6.87 +5 T, wherer is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 10. Determine the current (magnitude and direction) in the loop at t -5.6 seconds? (Hint: For the direction of the current you need determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x 10A....
IOLSAULDIOIT OnarrietAT(C: [13] 7. The magnetic field through the conducting square loop at the right changes according to the relation B(t) 2.5-6.8t +5 T, where t is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 uQ. Determine the current (magnitude and direction) in the loop at t-5.6 seconds? (Hint: For the direction of the current you need determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x...
[13] 7. The magnetic field through the conducting square loop at the right changes according to the relation B(t) - 2.5r-6.8t+5 T, where t is in seconds. Each side of the square is 321 cm long and the resistance is 56.8 u. Determine the current (magnitude and direction) in the loop at t- 5.6 seconds? (Hint: For the direction of the current you need. determine if the magnetic field is increasing or decreasing with time.) Answer: (a) 1.19 x 10...
[6] 2. In the previous problem, how long after switch is closed until the magnetic field is stable? Answer: (a) 1.38 ms. (6) 1.85 ms (c) 2.33 ms. (d) 2.79 ms. (e) 341 ms. (1) - [8] 3. An AC generator is connected to a circuit. The generator's emfis E(0) - 152 V sin(at). If the maximum current that results is 150 mA circuit, -5.01 x 10rad/s and the phase angle is -85.6 degrees, complete the following (0) = sin...
Use the figure at the right for problems 1 and 2. 2nswers. The [6] 1. A 5.61 m2 resistor, 1.55 pH inductor and switch are connected in series across an ideal EMF source E 9.50 V. How much energy is stored in the magnetic field of the inductor when switch S is closed and the magnetic field becomes stable? Answer: (a) 1.88 J. (b) 2.22 J (c) 2.77 J. (d) 3.20 J. (e) 3.79 J (0 [6] 2. In the...
The magnetic field passing perpendicularly through a square conducting loop of side length 1.0 m as shown decreases linearly from 3.0 T to 1.2 T in 2.5 seconds. What is th induced EMF (in V) and the direction of the induced current? BO
A conducting square loop is in a uniform magnetic field B as shown. The side length of the loop is L = 60 cm, and the loop has an effective resistance of R = 0.045 Ohm. The magnitude of B decreases steadily from an initial value B_0 = 0.050 T to zero in 0.20 seconds, and stays at zero afterwards. Find the magnitude of the induced emf in the loop. What is the current in the loop? And in what...
2. A square loop (L-0.30 m) consists of 45 closely wrapped turns, each carrying a current of 0.40 A. The loop, hinged along the y-axis, is oriented as shown in a uniform magnetic field of 0.60 T directed in the positive x direction. (a) [6 pts.] What is the magnitude of the torque on the loop? (b) 12 pts] Draw magnetic moment and torque vectors in the figure. 60° (c) [2 pts.] As viewed from above, in what direction does...
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