7) What is the induced current in the loop at t₂? Enter your answer in mA. A positive current is counterclockwise around the loop. mA Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 8) What is the magnetic flux through the loop at t3? Enter your answer in units of mT m². Remember, the area vector for the loop is always out of the page in the +z-direction.
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- In the diagram below, a bar magnet moves toward a solenoid. Use Lenz's а. Law to find the direction of the induced current in the solenoid and then determine the direction of current flow through the resistor connected to the solenoid. Motion N The direction of the current through the resistor is: A. upward B. downwards In the diagram below, a solenoid moves toward a bar magnet. Use Lenz's Law to find the direction of b. the induced current in the solenoid and then determine the direction of current flow through the resistor connected to the solenoid. Motion The direction of the current through the resistor is: O A. upwards B. downwardsA circular coil 15.0 cm in diameter and containing nine loops lies flat on the ground. The Earth's magnetic field at this location has magnitude 5.00 x 10-5 T and points into the Earth at an angle of 53.0 ° below a line pointing due north. A 6.90-A clockwise current passes through the coil. Part A Determine the torque on the coil. Express your answer using three significant figures and include the appropriate units. HA Value Units Submit Request AnswerA 10 cm x 10 cm square is bent at a 90° angle. A uniform 5.70x10-2 T magnetic field points downward at a 45° angle.(Figure 1) You may want to review (Pages 843-845). For help with math skills, you may want to review: The Vector Dot Product Figure 45% 5 cm 18 B 1 1 of 1 5 cm 10 cm Part A What is the magnetic flux through the loop? Express your answer with the appropriate units. Value Submit HÅ Provide Feedback Units Request Answer □】?
- The magnetic field at the center of a solenoid L = 75 cm long is B = 0.11 T when a current of I = 3.5 A flows through the solenoid wire. 1. Solve the formula for the magnetic field near the center of a long, tightly wound solenoid for the number of turns, N, in the solenoid. The expression should be in terms of the given variables. 2. Calculate the value of the number of turns, N.How will the coil move due to the magnet? To the left, to the right, rotate clockwise, rotate counterclockwise, cannot be determined.Current Attempt in Progress A loop of wire has the shape shown in the drawing. The top part of the wire is bent into a semicircle of radius r = 0.30 m. The normal to the plane of the loop is parallel to a constant magnetic field (p = 0) of magnitude 0.77 T. What is the change AO in the magnetic flux that passes through the loop when, starting with the position shown in the drawing, the semicircle is rotated through half a revolution? B (into paper) ayt ΔΦ = i
- Homework HelpPart A A 14 cm-diameter circular loop of wire is placed in a 1.28 T magnetic field. When the planc of the loop is perpendicular to the field lines, what is the magnetic flux through the loop? Express your answer to two significant figures and include the appropriate units HA Value Units Submit Request Answer Part B The plane of the loop is rotated until it makes a 45 ° angle with the field lines. What is the angle in the equation Pg = BA cos e for this situation? Express your answer using two significant figures. 0 = Submit Request Answer DeersenA pair of point charges, q=+8.50 C and g'= -5.50 μC, are moving as shown in the figure (Figure 1) with speads = 9.50-104 m/s and v' = 7.00-10 m/s. The charges are at the locations shown in the figure. Figure 1.300 m 0 0.400 m ▸ Part A What is the magnitude of the magnetic field produced at the origin? Express your answer in teslas. 15] ΑΣΦ ? + √x √x XX IXT 10 B- 1.094 10- Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Part C What is the magnitude of the magnetic force that q' exerts on g? Express your answer in newtons. ΤΕΙ ΑΣΦ ? P= Submit Request Answe N
- Please solve the question correctly and also be sure to give the correct units. Thank you!15bNeed Help? mV Sascha Hahn/Shutterstock.com A helicopter (see figure below) has blades of length 3.40 m, extending out from a central hub and rotating at 2.30 rev/s. If the vertical component of the Earth's magnetic field is 50.0 μT, what is the magnitude of emf induced between the blade tip and the center hub? Read It