Physics

Physics, 12.10.2019 06:20, marabic22

The device that measures current in a wire by using the deflections of an electromagnet in an external magnetic field is

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Chemistry, 19.07.2019 16:00, Becky81

The more coils in an electromagnet, a. the weaker the magnetic force. b. the stronger the electromagnet. c. the greater the heat produced by the electromagnet. d. the quicker the magnet will lose its magnetism when the current is turned off. if a larger current passes through the coil of wire in an electromagnet, then a. the magnetic field will be weaker. b. more domains align in the magnet. c. fewer domains align in the magnet. d. the magnetic field remains the same. when the current through an electromagnet ceases, what generally happens to the magnetic field? a. the magnetic field stays the same. b. the magnetic field eventually disappears. c. the magnetic field eventually gets stronger. d. the magnetic field eventually switches direction.

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Chemistry, 31.07.2019 03:10, eburnhisel2023

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? a) the length of the wire is oriented either parallel or antiparallel to the magnetic field lines at the location of the wire b) the current is carried by equal numbers of positive and negative charges that flow in opposite directions along the wire c) the magnetic field is generated by a second wire carrying a current in the opposite direction

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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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Physics, 22.10.2019 16:00, iloading5117

The device that measures current in a wire by using the deflections of an electromagnet in an external magnetic field is

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