During the transformer design process, design engineers need to quickly verify that their designs satisfy the various interrelated transformer design requirements. These would include the size of the core, the required turns ratio in the primary and secondary for a specified factor, the operating frequency, and the input and output voltages. This design idea presents a handy C program that provides quick calculations for almost any type of transformer design parameters on-the-fly.

During the transformer design process, design engineers need to quickly verify that their designs satisfy the various interrelated transformer design requirements. These would include the size of the core, the required turns ratio in the primary and secondary for a specified factor, the operating frequency, and the input and output voltages. This design idea presents a handy C program that provides quick calculations for almost any type of transformer design parameters on-the-fly.

Suppose you were to take a 3 kW electric heater rated for 240 VAC and connect it to a 120 VAC power source. How much power would it dissipate when connected to a voltage source equal to * half* its rating?

A common mistake students make is to think that applying half the normal amount of voltage to a resistor results in half the power dissipation. This is not correct. There are many ways to disprove the assertion mathematically, and I won’t bother to list my favorite here. Discuss this with your students, and see what * their* reasoning is.

How much resistance must a heating element possess in order to dissipate 3 kW of power at 240 VAC? How much resistance must a heating element possess in order to dissipate the same amount of power (3 kW) at half the voltage (120 VAC)?

Now that Apple has officially announced its new iPhone 8 and iPhone X, it’s Google’s turn to try to wow the world with what it thinks is the future of smartphones. And even though last year’s Pixel was a success in many ways , there are still a number of improvements I’d like to see on the Pixel 2 (or whatever Google calls it) when it’s expected to be announced on October 4 .

I know there’s basically no chance Google puts a microSD card slot on the next Pixel, but if there aren’t features like wireless charging or a headphone jack, Google is fucking up. With rumors swirling about Google’s upcoming “Bisto” wireless headphones, the odds of the Pixel 2 including a 3.5mm audio jack seem pretty slim. But as much as I want to live in a wireless future, we aren’t there yet, and ditching the headphone jack will be bad for most people.

I would also like to see Google bring back the dual front-facing speakers from the Nexus 6P. There are even rumors that the Pixel 2 might have squeezable sides similar to the HTC U11, but that’s really more of a bonus than a must-have feature.

Greetings, I would like to calculate the required cfm for forced air ventilation of a transformer room. I was wondering if you guys know any guideline of how to ...

In my world ... current Transformer (CT) is a coil of wire with 2 terminals, puts out a current proportional to the current flowing in the primary cable ... usually ...

Designed for air-handling spaces ; Ported enclosure for extended bass response ; Waveguide-coupled 0.75-inch titanium-coated tweeter ; Full-bandwidth overload protection

During the transformer design process, design engineers need to quickly verify that their designs satisfy the various interrelated transformer design requirements. These would include the size of the core, the required turns ratio in the primary and secondary for a specified factor, the operating frequency, and the input and output voltages. This design idea presents a handy C program that provides quick calculations for almost any type of transformer design parameters on-the-fly.

Suppose you were to take a 3 kW electric heater rated for 240 VAC and connect it to a 120 VAC power source. How much power would it dissipate when connected to a voltage source equal to * half* its rating?

A common mistake students make is to think that applying half the normal amount of voltage to a resistor results in half the power dissipation. This is not correct. There are many ways to disprove the assertion mathematically, and I won’t bother to list my favorite here. Discuss this with your students, and see what * their* reasoning is.

How much resistance must a heating element possess in order to dissipate 3 kW of power at 240 VAC? How much resistance must a heating element possess in order to dissipate the same amount of power (3 kW) at half the voltage (120 VAC)?

Suppose you were to take a 3 kW electric heater rated for 240 VAC and connect it to a 120 VAC power source. How much power would it dissipate when connected to a voltage source equal to * half* its rating?

A common mistake students make is to think that applying half the normal amount of voltage to a resistor results in half the power dissipation. This is not correct. There are many ways to disprove the assertion mathematically, and I won’t bother to list my favorite here. Discuss this with your students, and see what * their* reasoning is.

How much resistance must a heating element possess in order to dissipate 3 kW of power at 240 VAC? How much resistance must a heating element possess in order to dissipate the same amount of power (3 kW) at half the voltage (120 VAC)?

Now that Apple has officially announced its new iPhone 8 and iPhone X, it’s Google’s turn to try to wow the world with what it thinks is the future of smartphones. And even though last year’s Pixel was a success in many ways , there are still a number of improvements I’d like to see on the Pixel 2 (or whatever Google calls it) when it’s expected to be announced on October 4 .

I know there’s basically no chance Google puts a microSD card slot on the next Pixel, but if there aren’t features like wireless charging or a headphone jack, Google is fucking up. With rumors swirling about Google’s upcoming “Bisto” wireless headphones, the odds of the Pixel 2 including a 3.5mm audio jack seem pretty slim. But as much as I want to live in a wireless future, we aren’t there yet, and ditching the headphone jack will be bad for most people.

I would also like to see Google bring back the dual front-facing speakers from the Nexus 6P. There are even rumors that the Pixel 2 might have squeezable sides similar to the HTC U11, but that’s really more of a bonus than a must-have feature.

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