QuestionsMagnetic Force1.Use Fleming's Left Hand Rule to predict the direction of movement of the current-carrying wire in the magnetic fieldbelow:2.Consider the situation below:| = 0.15A%3DL = 0.50m63°B = 40mTa)Calculate the magnitude of magnetic force experienced by the wire.b)The wire is placed at an angle of 0° to the magnetic field. Calculate the magnitude of magnetic forceexperienced by the wire at this angle.c)State the angle between the magnetic field and the wire that will generate the largest magnetic force. Questions Continued3.The diagram below shows two long, straight parallel wires. These wires are carrying current into the page.a)Draw the magnetic field that surrounds both wiresb)State whether these wires are attracted or repelled by each other.4.State the definition of the Ampere.A student builds a model motor. Direct current is fed through the loops of wire, which are placed within a magneticfield as shown.NThe motor will start to spin. Use Fleming's Left Hand Rule to determine the direction of spin.Questions Continued6.A student carried out an experiment to investigate how the current through a solenoid affects the magnetic fieldstrength inside the solenoid. The following apparatus is used:SolenoidLaptopMagnetic FieldSensorData LoggerAVariablePower SupplyThe following data is collated:В (mT)Average BI (A)ДВ (mT)(mT)B1B2Вз0.50.310.330.290.60.380.390.370.70.440.420.460.80.540.540.420.90.570.570.571.00.650.620.62a)Complete the table to include the average value of B and AB.b)Plot a graph of I(A) (x-axis) against B(mT) (y-axis).c)The expression for the magnetic field strength inside a solenoid is:B =HonIWhereHois the permeability of free space and is a constant value ofHo= 1.257x10-6mkgs-2A-2n is the number of turns per meter.Use the gradient of the graph to determine the number of coils per meter for this solenoid.EXTENSIONd)Plot appropriate error bars and other lines of best fit to determine the error in your value for n.SI5.

Answered: Use Fleming's Left Hand Rule to predict…

Use Fleming's Left Hand Rule to predict the direction of movement of the current-carrying wire in the magnetic fiel below:

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter29: Magnetic Fields

Section: Chapter Questions

Problem 29.12OQ

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

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