A current-carrying wire moves toward a coil A long straight wire carrying current I is moving...
long straight wire (extending indefinitely in the ty direction) is carrying current I-5 A in the ay direction and conducting coll having (a) At the instant that the wire is distance x with speed v 2 m/s in the «x-direction toward a small circular N 12 closely packed turns of radius r 2 cm. The ends of a voltmeter, and the coil lies in the xy plane, centered at th that the wire is distance x- 0.2 m from the...
A long straight wire carrying a current of 2.03 A moves with a constant speed v to the right. A 120 turn circular coil of diameter 1.50 cm, and resistance of 3.25 u 2, lies stationary in the same plane as the straight wire. At some initial time the wire is to the left of the coil at a distance d = 13.0 cm from its center. 5.00 s later, the wire has moved to the right of the coil...
Problem 22.17 A coil of wire is connected to a power supply, and a current runs in the coil. A single loop of wire is located near the coil, with its axis on the same line as the axis of the coil. The radius of the loop is 4 cm Power supply + Loop Coil At time 1 the magnetic field at the center of the loop, due to the coil, is 0.7 T, in the direction shown in the...
A coil of wire is connected to a power supply, and a current runs in the coil. A single loop of wire is located near the coil, with its axis on the same line as the axis of the coil, The radius of the loop is 4 cm. At time ti the magnetic field at the center of the loop, due to the coil, is 0.7 T, in the direction shown in the diagram; the current in the coil is...
There is a long straight wire carrying current I = 497 amperes. At a distance of 1.4 meter away, a small piece of wire (length 3 cm) carries a current of 15 amperes in a direction parallel to the long wire. (a) Calculate the value of the B field generated by the long wire at the position of the small wire. B = ?T (b) Using your result for B just found, calculate the force on the small wire. F...
The radius of a coil of wire with N turns is r = 0.28 m. A clockwise current of Icoil = 1.0 A flows in the coil, as shown. A long, straight wire carrying a currentIwire = 29 A toward the left is located 0.04 m from the edge of the coil. The magnetic field at the center of the coil is zero tesla. Determine N, the number of turns.
A long straight wire carries a current of 45 A. What is the magnitude of the magnetic field at a distance of a) 0.2 m? b) 0.7 m? c) 1.5 m? A short circular coil with 30 turns and a radius of 4 cm carries a 15 A current. What is the magnetic field at the center of the coil?
A physician is using a device with a thin circular coil of current-carrying wire of radius 3.30 cm to stimulate neurons in a patient's brain. The coil is placed directly against the patient's skull, and everywhere within the area of the coil, the magnetic field changes at a rate of 1.10 X 104 T/s. (a) What is the magnitude of the emf (in V) induced around the circumference of this circular area in the brain? (Assume the magnetic field is...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown below has N turns and a radius of R. It is rotating in a magnetic field of strength B at an angular frequency o. This means that the angle between the area vector of the coil and the magnetic field is = wt. х a. What is the induced emf in the coil as a function of time? b. If the left side of...
4. A coil of current carrying wire contains 5oo turns and is 20cm long with a diameter of 2cm. What is its inductance? What is the magnetic flux through it with a current of 20 A running through the wire? What is the induced voltage across it if the 20a current dies to zero at a constant rate during a 10 second interval? V