By switching from one pH range to another, the compound changes its polarity and its preference for residing in either a polar or non-polar solvent.
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electrons are negatively charged particles. They are attracted by positive charge (or the lack of electrons) and repelled by negative charge.
The holes and electrons move away from the junction and attracted towards the terminals as the positive polarity is connected to the n-side and negative polarity to p-side.
You shouldn't need to perform a polarity test on a CT, as its terminals are normally identified with polarity markings.
ac(Alternating Current ) has the high polarity.
No, they have no polarity. They are just like a resistor in terms of polarity, and they allow to measure temperatures because their resistance varies with temperature in a predictable way.
Some capacitors are polarity sensitive; some are not. It depends on the design. Electrolytic capacitors, for instance, are polarity sensitive, while ceramic disc capacitors are not. You can generally tell, if the capacitor is marked with polarity signs, such as + and -, if it is or not.