The current in a solenoid is reversed indirection while keeping the same magnitude. Does this change the magnetic field within the solenoid?
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The current in a solenoid is reversed in
direction while keeping the same magnitude. Does this change the magnetic field within the solenoid?
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- An electron is moving at a speed of 1.70 x 104 m/s in a circular path of radius of 3.2 cm inside a solenoid. The magnetic field of the solenoid is perpendicular to the plane of the electron's path. The solenoid has 25 turns per centimeter. (a) Find the strength of the magnetic field inside the solenoid. (b) Find the current in the solenoid.A steady magnetic flux through the circular conducting loop generates a vortexelectric field in the loop. True or FalseDue to the bar magnet being pulled away from the solenoid, the included pole that is created at location I is a _____ pole. The electron flowing through the galvanometer would be ____.
- Calculate the energy associated with the magnetic field of a 175-turn solenoid in which a current of 2.25 A produces a magnetic flux of 3.81 x 10-4 T · m2 in each turn.A very long solenoid having a square cross section 5.0 cm on a side is connected to a power supply that drives enough current through the solenoid to create a 0.20-T magnetic field in its interior. Imagine that we surround this solenoid with a circular loop 10 cm in diameter whose resistance is 0.015 Ω and which is oriented with its face perpendicular to the solenoid’s axis. Suppose that when we switch off the power supply, it takes 30 ms for the current flowing through the solenoid to drop to zero. About how much current flows in the loop during this time?A single-turn square loop of wire, 2.00 cm on each edge, carries a clockwise current of 0.170 A. The loop is inside a solenoid, with the plane of the loop perpendicular to the magnetic field of the solenoid. The solenoid has 30.0 turns/cm and carries a clockwise current of 15.0 A. (a) Find the force on each side of the loop. magnitude UN direction ---Select- (b) Find the magnitude of the torque acting on the loop. N.m
- What current is required in the windings of a solenoid that has 900 turns evenly distributed over a length of 0.5 m, to produce in the center of the solenoid a magnetic field of magnitude 7X10-3 T?A long solenoid that has 1 060 turns uniformly distributed over a length of 0.380 m produces a magnetic field of magnitude 1.00 10-4 T at its center. What current is required in the windings for that to occur?