Isthmus
发表于 2025-3-25 03:52:45
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Concomitant
发表于 2025-3-25 09:44:13
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Ledger
发表于 2025-3-25 14:10:11
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白杨鱼
发表于 2025-3-25 15:54:09
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chance
发表于 2025-3-25 23:58:30
Electric Generators,A simple a.c. generator comprises a coil which can be rotated between the poles of a magnet. Using the equipment provided rotate the coil and note the effect on the instrument.
heartburn
发表于 2025-3-26 02:33:45
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GEAR
发表于 2025-3-26 08:19:29
Capacitors,A capacitor consists of two metal plates separated by an insulating material called a dielectric. Complete the statements opposite.
暂时别动
发表于 2025-3-26 09:59:16
Inductance in a D.C. Circuit,Arrange the apparatus as shown so that the current flowing through the inductor may be displayed on the oscilloscope.
MAPLE
发表于 2025-3-26 15:00:05
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enchant
发表于 2025-3-26 18:06:50
A.C. Circuits,Connect the apparatus as shown below so that the supply voltage is displayed on A. and the current on A.. Sketch the waveforms of current and p.d. on the axes opposite.