If a bar of copper is brought near a magnet, the copper bar will be A. repelled by the magnet. B. unaffected by the magnet. C. made into an induced magnet. D. attracted by the magnet
If a bar of copper is brought near a magnet, the copper bar will be unaffected by the magnet.
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Updated 2/11/2020 3:15:25 AM
Confirmed by alfred123 [2/11/2020 3:15:25 AM]
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A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total resistance of the two devices is A. 16 ohms. B. 0.333 ohms. C. 0.0625 ohms. D. 3 ohms
Updated 9/5/2020 1:40:48 PM
A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total resistance of the two devices is 3 ohms.

Solution:
Total resistance = 12*4 / (12+4) = 48/16 = 3 ohms.
In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the A. deflecting plate. B. anode. C. cathode. D. grid.
Weegy: In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the grid. (More)
Updated 10/9/2018 10:57:28 PM
If a bar of copper is brought near a magnet, the copper bar will be A. repelled by the magnet. B. unaffected by the magnet. C. made into an induced magnet. D. attracted by the magnet.
Weegy: If a bar of copper is brought near a magnet, the copper bar will be unaffected by the magnet. (More)
Updated 12/6/2018 2:24:59 AM
A body that has relatively few free electrons and offers comparatively great resistance to the movement of free electrons is a/an A. insulator. B. capacitor. C. coulomb. D. conductor.
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Updated 10/15/2018 12:13:43 PM
A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, how many turns are in the secondary? A. 8 B. 1,653 C. 72 D. 690
Updated 7/3/2020 7:52:47 AM
A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, 72 turns are in the secondary.

345/115=3 3*24=72.
34,465,036
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