floor as indicated. In which direction, clockwise or counterclock wise, does the compass rotate? Explain. Compass and the other carries a current 21. Which of the arrows below right best represents the map. netic field at point A, a point that is the same distance from both wires? Justify your answer. Two wires carry current into the page as shown below left. One wire carries a curt b) a) e) d) **26. The figure below shows a wire lying flat on the surface of a table. The wire is connected to a battery so that the current flows left to right. A bar magnet is to be placed flat on the sur face of the table in such a way that the wire experiences a force that lifts it up off of the table Draw a picture showing the wire and the location and orientation of the magnet (including s) and explain carefully why this would result in an upward force on the wire. View looking down on the tabletop

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A: For a charge moving in magnetic field, direction of magnetic force is given by cross product rule.

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A:

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A:

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A: Required : The direction of the magnetic field.

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A: The answer can be given as follows :-

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A: Right end of electromagnet work as the north pole and we know that same pole repel each other

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A: You have choosed correct options. Good   For part b use triangle vector law

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A:

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A:

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A:

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A:

Q: Practice: Consider a straight current carrying wire with current flowing into the screen as shown in…

A: To find the direction of the magnetic field, we will use right thumb rule.

Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.