Easy lifehacks

Why does no current flow into the MOSFET?

Why does no current flow into the MOSFET?

Because of the isolation of the Gate there is no current flow into the MOSFET from Gate. When voltage is applied at the gate, it changes the width of the Drain-Source channel along which charge carriers flow (electron or hole). The wider the channel, the better the device conducts.

What happens if your charger is not the correct voltage?

If it doesn’t, then it may run hotter than normal, which can shorten the life of the device or cause immediate damage. Current too high – If the adapter has the correct voltage, but the current is greater than what the device input requires, then you shouldn’t see any problems.

What happens when there is no voltage between gate and drain?

When there is no applying voltage between the Gate-Source , the Drain-Source resistance is very high, which is almost like a open circuit, so no current may flow through the Drain-Source.

Can a 12 volt charger be used indefinitely?

This mode can be used to maintain a fully charged battery indefinitely. Some chargers shut off instead of maintaining a float voltage, and monitor the battery, initiating a charge cycle if necessary. Recharge time can be approximated by dividing the amp hours to be replaced by 90% of the rated output of the charger.

When to use Chevy Volt’s hold and mountain modes for Best?

At high speeds use hold and round town/stop start use EV. But above all else: don’t obsess and don’t be afraid to use the engine (like some obsessive members). 70 miles is nothing for the Volt. Just make sure you don’t come back with any battery remaining. My commute is about 75 miles.

What’s the difference between eV hold and mountain mode?

Both EV Hold and Mountain modes are similar, the difference is that the Mountain Mode will hold the battery at 45 percent state of charge, while EV Hold mode will hold the charge in your Volt’s battery as soon as it’s switched on.

How are voltage drops included in ohm’s law?

Therefore, in order to calculate the correct value for resistor Rc, the voltage drop across the collector/emitter (V CE (sat)) and the voltage drop across the LED (V (LED)) must be included in the formula. So, here’s the same Ohm’s Law formula modified to account for all the voltage drops:

How many volts does a transistor drop when turned on?

What’s missing is the fact that both the LED and transistor — when turned on — have a voltage drop across their terminals and this must be accounted for in the formula. A general-purpose transistor will drop about .1 to .3 volts across the collector/emitter terminals (V CE (sat); see datasheet) when in saturation mode (fully on).

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Ruth Doyle