The figure shows a current loop of dimensions 0.1 m times 0.2 m and resistance 50...
1. A square loop of wire with one side of a and resistance R is
placed in a uniform magnetic field of strength B. The field
vanishes and results an induced current I in the loop.
( a) a) What is the rate of change of magnetic flux
in terms of I and R?
(b) Magnetic field B (on the picture above) was equal to 0.5 T
before it vanished. If the duration of switch is 0.15 sec and the...
A flexible circular loop 0.10 m in diameter lies in a magnetic field of 1.80 T, directed into the plane of the diagram. The loop is pulled at the points indicated by the arrows, forming a loop of zero area in 0.20 s. Find the induced emf in the circuit. What is the direction of the current through R (up or down)? 16b. A rectangular conducting loop 0.25 m on a side lies in a magnetic field directed into the...
. A 6 cm diameter conducting loop with resistance of 10 m Ohm is placed to a variable magnetic field B (as illustrated). The magnetic field decreases form 1.0 T to 0.4 T in 1.2 sec. Determine the current and its direction induced in the loop:
2A current circulates in a horizontal loop consisting of a semicircle of 50 cm diameter fed from two infinitely long straight lines perpendicular to the semicircle diameter. Viewed from above the current in the loop circulates clockwise. What is the magnitude and direction of the horizontal component of magnetic field 25 cm above the midpoint of the semicircle diameter?
QUESTION # 01 Above figure shows a wire carrying a current in the presence of a magnetic field. The magnetic flux density is 0.25 T, directed into the page. If the wire is 1.0 m long and carries 0.5 A of current in the direction from the top of the page to the bottom of the page, what is the magnitude and direction of the force induced on the wire?
QUESTION # 01 Above figure shows a wire carrying a current in the presence of a magnetic field. The magnetic flux density is 0.25 T, directed into the page. If the wire is 1.0 m long and carries 0.5 A of current in the direction from the top of the page to the bottom of the page, what is the magnitude and direction of the force induced on the wire?
The following figure shows you a circular loop with radius 10 cm. A magnetic field is DECREASING from 1.5 T to 0.5 T in 4 mili - seconds. The angle 0 = 60 degrees.(12 points) • Compute the induced EMF in the loop. • If the resistance of the loop is of 5 ohms, what is the value of the induced current. • What is the direction of the induced current?
The figure shows a stationary conducting loop adjacent to a horizontal current-carrying wire. For which of the following conditions will a counter- clockwise induced current circulate in the stationary loop? Stationary conducting loop O Counter- clockwise induced current - Current-carrying wire The current in the horizontal wire flows to the right and its value is increasing. The current in the horizontal wire flows to the right and its value is constant. The current in the horizontal wire flows to the...
Bout 4. A wire loop of radius r = 0.20 m lies in a magnetic field, as shown. The field is deceasing at a rate of 0.25 T/s. The loop has a resistance of 0.30 0. a) Find the EMF induced in the loop and the induced current. olo o ) b) Using Lenz's Law determine the direction in which the induced current will flow. Carefully expirathe psia your reasoning.
A square planar loop of coiled wire has a length of 0.25 m on a side and is rotated 60 times per second between the poles of a permanent magnet. The magnetic field between the poles is 0.75 T. If a peak voltage of 1 kV is generated in the coil, how many turns does it have? 56 turns 25 turns 60 turns 120 turns 1000 turns The figure shows a stationary conducting loop adjacent to a horizontal current-carrying wire....