Physics, 12.07.2019 21:20, Awesomedude1157

Acurrent of 02ka is traveling through a circularly looped wire. the wire makes 35 turns around an induced magnetic field of 8 9nt, each loop which is of equal size, what is the radius of one of these loops of

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Physics, 22.07.2019 17:30, millie54

Acircular loop of flexible iron wire has an initial circumference of 164cm , but its circumference is decreasing at a constant rate of 11.0cm/s due to a tangential pull on the wire. the loop is in a constant uniform magnetic field of magnitude 1.00t , which is oriented perpendicular to the plane of the loop. assume that you are facing the loop and that the magnetic field points into the loop. find the magnitude of the emf induced in the loop after exactly time 4.00s has passed since the circumference of the loop started to decrease and find the direction of the induced current in the loop as viewed looking along the direction of the magnetic field.

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Physics, 21.08.2019 00:30, dajiaglosson

Amagnetic field is aligned perpendicular to the plane of a circular loop of wire with radius 5.0 cm and 20 turns. the magnetic field b changes with time t according to the following function: b 12 exp(-3t) +1.5t +6 t determine the induced emf in the circular loop of wire as a (i) function of time, and the time at which the induced emf is 0.1 v. (ii) if the magnetic fieldis instead aligned at 30° with respect to the normal of the circular loop of wire, find the induced emf as a function of time.

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Physics, 22.08.2019 22:30, KingOfLaBron23

You are given a coil made of 200 circular turns of wire (a solenoid) sitting on a table. the diameter of the circular turns is 10cm. you are also provided with a long bnr magnet with magnetic field strength, b 750mt at its pole. you fully inserted the south pole of this magnet into the coil over a time interval of 5 seconds at a constant speed. the 200 turns of wire in the loop have a total resistance of r = 1082. assume that the magnetic field of the bar magnet is parallel to the axis of the solenoid and it covered the entire area bounded by the circular loops when it is fully inserted. (a) show the direction of the magnetic field when you insert the solenoid and look from the top. (b) what is the magnitude of the initial and final magnetic flux through the loop? assume initially the magnet was not near the solenoid. (c) what is the magnitude of the voltage induced in the loop of wire while the magnetic field is increasing? (d) what is the magnitude of the current induced in the loop of wire while the magnetic field is increasing? (e) what is the direction of the original magnetic field? 1. is the original magnetic field increasing or decreasing? 2. does the induced magnetic field oppose or reinforce the original field? 3. what is the direction of the induced magnetic field? 4. what direction is the direction of the induced current flow around the loop? (f) now you completely pull the magnet out of the solenoid at the same speed you inserted it in over the same time interval of 5 seconds. for the questions (a) to (d) give the answers that would be different. (g) we now inserted the north pole in the same way as we did for the south pole

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Physics, 18.10.2019 20:20, ethanh7755

Acurrent‑carrying wire lies in a region where there is an external magnetic field, but there is no magnetic force acting on the wire. how can this be? the wire itself is moving in the direction of the magnetic field at just the right speed. the magnetic field is generated by a second wire carrying a current in the opposite direction. the wire is a circular loop whose plane is oriented parallel to the magnetic field. the current is carried by equal numbers of positive and negative charges that flow in opposite directions along the wire. the length of the wire is oriented either parallel or antiparallel to the magnetic field lines at the location of the wire.

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Acurrent of 02ka is traveling through a circularly looped wire. the wire makes 35 turns around an in...

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