Could i please get some help on this, it would mean a lot, thank you !!
6. (Knight Problem 30.33) The switch in FIGURE EX30.33 has been in position 1 for a long time. It is changed to position 2 at t = 0s. a. What is the maximum current through the inductor? [Answer: 76 mA.] b. What is the first time at which the current is maximum? [Answer: 0.50 ms.] 20 12 V 2.0 AF 0000 50 mH FIGURE EX30.33 7. (Knight Problem 30.35) At t = 0 s, the current in the circuit in FIGURE EX30.35 is /o. At what time is the current $ fo? [Answer: 2.50 x 10 * s.] 200 0 75 mH 100 0 FIGURE EX30.35 8. (Knight Problem 30.41) A 10 cm x 10 em square loop lies in the xy-plane. The magnetic field in this region of space is B = (0.30ti + 0.50t'*) T, where & is in s. What is the emf induced in the loop at (a) $ = 0.5 s and (b) t = 1.0 s? [Answer: a. 5.0 mV. b. 10.0 mV.]9. (Knight Problem 30.46) FIGURE P30.46 shows a 4.0-cm- diameter loop with resistance 0.10 4 around a 2.0-cm- diameter solenoid. The solenoid is 10 cm long, has 100 turns, and carries the current shown in the graph. A positive cur- rent is ew when seen from the left. Find the current in the loop at (a) t = 0.5s, (b) t = 1.5s, and (c) t = 2.5s. Answer: A. 0.0 A. b. 0.16 mA. c. Q.0 A. ] Iand (A) 20 4.0 cm 2.0 cm 0 -20 - FIGURE P30.46Complete the 3 questions below. Question 1 A150 cm diameter loop with a resistance of 0.200 0 is in an decreasing magnetic eld of 1 .50 We as shown in the image. What is the magnitude and direction of the induced current? 0 3.14 A, counterclockwise O 3.14 A, clockwise O 0.133 A. clockwise O 0.133 A. counterclockwise Question 2 A magnetic field is expressed with the equation B= 6.00t- 7.00t. A square loop is perpendicular to the magnetic field with dimensions 17.0 cm x 17.0 cm, and a resistance of 0.220 0. What is the induced current at time t = 4.80 s? O -1.77 A O -8.04 A O -17.4 A O 0.788 A Question 3 WV . B R, R , R ,Question 3 IV R 3 Part of a circuit is embedded inside a magnetic eld 5 as showns above. where W: 15.0 cm. L : 9.00 cm. R; : 4.50 9., R2 : 8.70 9. and R3 : 8.10 9. The magnetic eld begins to increase linearly at a rate of 2.30 T/s. What is the voltage across R2? C) 0.0149 V C) W (J 0.0310 V C3 0.0127 V

Question

Could i please get some help on this, it would mean a lot, thank you !!

6. (Knight Problem 30.33) The switch in FIGURE EX30.33 has been in position 1 for a long time. It is changed to position 2 at t = 0s. a. What is the maximum current through the inductor? [Answer: 76 mA.] b. What is the first time at which the current is maximum? [Answer: 0.50 ms.] 20 12 V 2.0 AF 0000 50 mH FIGURE EX30.33 7. (Knight Problem 30.35) At t = 0 s, the current in the circuit in FIGURE EX30.35 is /o. At what time is the current $ fo? [Answer: 2.50 x 10 * s.] 200 0 75 mH 100 0 FIGURE EX30.35 8. (Knight Problem 30.41) A 10 cm x 10 em square loop lies in the xy-plane. The magnetic field in this region of space is B = (0.30ti + 0.50t'*) T, where & is in s. What is the emf induced in the loop at (a) $ = 0.5 s and (b) t = 1.0 s? [Answer: a. 5.0 mV. b. 10.0 mV.]9. (Knight Problem 30.46) FIGURE P30.46 shows a 4.0-cm- diameter loop with resistance 0.10 4 around a 2.0-cm- diameter solenoid. The solenoid is 10 cm long, has 100 turns, and carries the current shown in the graph. A positive cur- rent is ew when seen from the left. Find the current in the loop at (a) t = 0.5s, (b) t = 1.5s, and (c) t = 2.5s. Answer: A. 0.0 A. b. 0.16 mA. c. Q.0 A. ] Iand (A) 20 4.0 cm 2.0 cm 0 -20 - FIGURE P30.46Complete the 3 questions below. Question 1 A150 cm diameter loop with a resistance of 0.200 0 is in an decreasing magnetic eld of 1 .50 We as shown in the image. What is the magnitude and direction of the induced current? 0 3.14 A, counterclockwise O 3.14 A, clockwise O 0.133 A. clockwise O 0.133 A. counterclockwise Question 2 A magnetic field is expressed with the equation B= 6.00t- 7.00t. A square loop is perpendicular to the magnetic field with dimensions 17.0 cm x 17.0 cm, and a resistance of 0.220 0. What is the induced current at time t = 4.80 s? O -1.77 A O -8.04 A O -17.4 A O 0.788 A Question 3 WV . B R, R , R ,Question 3 IV R 3 Part of a circuit is embedded inside a magnetic eld 5 as showns above. where W: 15.0 cm. L : 9.00 cm. R; : 4.50 9., R2 : 8.70 9. and R3 : 8.10 9. The magnetic eld begins to increase linearly at a rate of 2.30 T/s. What is the voltage across R2? C) 0.0149 V C) W (J 0.0310 V C3 0.0127 V