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Q: A solenoid 1.86 m long and 3.80 cm in diameter carries a current of 21.0 A. The magnetic field…

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Q: The magnetic field lines of a bar magnet (outside) are directed from _________ Select one: a. south…

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Q: A 1300-turn coil of wire 2.00 cm in diameter is in a magnetic field that increases from 0 T to 0.140…

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Q: Question 8 of 10 Why is the compass needle oriented as it is in the diagram? Neg c Nad L

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Q: What is the magnitude of the net magnetic field at the origin if each side of the cube is 0.1 m…

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Q: JESTION 24 In general, when a charged particle enters a uniform magnetic field at a nonzero angle,…

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Q: Magnetic field produced at the center of a current-carrying wire is a. directly proportional to the…

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Q: The invisible field surrounding all magnets exerts forces on the of other magnets. O a north pole…

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Q: Two long straight wires run parallel to one another with current flowing in opposite directions…

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Q: A straight wire carries a current with the direction of the current as indicated. In which direction…

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Q: A hunk of iron is shown to not have any magnetism associated with it when a student tries to suspend…

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Q: Part A The magnetic force on a charged particle in a magnetic field is zero if Select all that…

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Q: a temporary magnet?

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Q: The south pole of a freely suspended bar magnet always point to   a.     geographic north…

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Q: What is the direction of the magnetic force on a negative charge that moves as shown in the figure?…

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Q: the current flows counter clockwise in a coil of wire. what is the direction of the magnetic field…

A: solution as

Q: A magnetic feld in the laboratory can be adjusted in strength by tuning a knob. It is perpendicular…

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Q: A positive charge moves in a uniform magnetic field as shown. Which choice best represents the…

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Q: The Millikan Oil Drop Experiment proved that... electrons have a positive charge. electric charge…

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Q: Some tools contain permanent magnets. What two types of materials could these tools pick up

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Q: Indicate the direction of the magnetic force on the positively charge particle as they move through…

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Q: The images below show two pairs of magnets. The magnets in different pairs do not affect each other.…

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Q: A force F is applied to an 22 kg block against the wall at an angle of θ=45°.  The friction…

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Q: 5, Two very long, straight wires carry currents as shown below. For each case, find all locations…

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Q: A positively charged particle moving upwards enters a magnetic field directed due east. Which of…

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Q: Which statement is correct regarding the earth's magnetic field:  a. A compus red needle will point…

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Q: A bar magnet is oriented so that the north pole of the bar magnet points north. A compass needle is…

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Q: A neutral point is a point at which the horizontal component of Earth field and the field of the bar…

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Q: Which of the following best describes magnetic field lines around a current-carrying wire? They form…

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Q: You Answered Correct Answer Determine the energy density in the magnetic field at a distance of 35cm…

A: distance from long wire,r= 35 cm= 0.35mcurrent,i = 11.57 A

Q: 28. Which of the following does not characterize a magnetic force on a moving charge? a. The…

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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.