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Imagine a rectangle 40 miles tall and 70 miles long

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What circuit breakers will interchange with a Square D panel?

Only a Square D designed breaker can be installed in a Square D manufactured panel.


Why FET is called square law device?

A FET is called a square-law device because of the relationship of ID to the square of a term containing VGS.


Do they make a 30-40 amp two pole breaker compatible with a square d breaker?

No, if you have a Square D distribution panel only Square D breakers will fit in it.


How big is a 2 gauge WIRE?

A 2 gauge wire has a diameter of approximately 0.257 inches (6.54 mm). In terms of cross-sectional area, it is about 33.6 square millimeters or 0.0524 square inches. This size is commonly used in various applications, including electrical wiring for high-power circuits and equipment. The larger the gauge number, the smaller the wire; thus, 2 gauge wire is relatively thick compared to higher gauge sizes.


What is square law device?

A square law device is something where either current or voltage depends on the square of the other. For example, a saturated MOSFET has I proportional to V^2. A diode's characteristics also has a square but it's not as clean. It's exponential, and through a Taylor series you get linear, square, cubic terms.... Anyway, it's useful because you can use it as a modulator or mixer. Adding voltages is easy (just use resistors or an op amp) but multiplying is hard. With a square law device like a MOSFET you can do this: Now if you follow that with a bandpass filter centered on you just get Amplitude modulation.