PHYS 1010 Test 6 with verified detailed answers

PHYS 1010 Test 6 with verified detailed answers ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




a semiconductor can be__ - correct answer✔✔both of these?
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when the distance between two charges is halved, the electrical force between them -
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correct answer✔✔quadruples ||\\|//||




When two lamps are connected in parallel to a battery, the electrical resistance that the
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battery senses is - correct answer✔✔less than the resistance of either lamp
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Electric field lines go ___ a positive charge and ___ a negative charge. - correct
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answer✔✔into, out of ||\\|//|| ||\\|//||




by convention, the direction of current in a circuit is - correct answer✔✔both of these
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it is said that electric charge is conserved, which means that electric charge - correct
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answer✔✔can be neither created nor destroyed. ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




Magnetic field lines about a current-carrying wire - correct answer✔✔circle the wire in ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




closed loops. ||\\|//||




When voltage is induced in a coil of wire, current is - correct answer✔✔also induced.
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When two lamps are connected in a series to a battery, the electrical resistance that the
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battery senses is - correct answer✔✔more than the resistence of either lamp.
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, a positive charge will ___ another positive charge and ___ and negative charge - correct
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answer✔✔repel, attract ||\\|//||




Surrounding every moving electron is - correct answer✔✔both of these: a magnetic field ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




and an electrical field ||\\|//|| ||\\|//|| ||\\|//||




a transformer actually transforms - correct answer✔✔voltage
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an atom has 5 protons in the nucleus, what must be true for it to be electrically neutral? -
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correct answer✔✔it must be surrounded by 5 electrons ? ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




the source of all magnetism is - correct answer✔✔moving electric charge.
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to say that electric charge is conserved means that no care has ever been found where -
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correct answer✔✔Net charge has been created or destroyed ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




When an electron passes through the magnetic field of a horseshoe magnet, the electron's -
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correct answer✔✔direction is changed.
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the conventional direction of the magnetic field outside a magnet are from - correct
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answer✔✔North to south. ||\\|//|| ||\\|//||




whereas electric charges can be isolated, magnetic poles - correct answer✔✔cannot ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




as more lamps are connected in a series circuit, the overall current in the power source -
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correct answer✔✔decreases ||\\|//||




surrounding every magnet is - correct answer✔✔a magnetic field. ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||