Useful tips for everyday
How to add an existing user to a group? Add an Existing User Account to a Group To add an existing user account to a…
Can a TV electrocute you? TV internals can hold a charge long after they’re disconnected from mains. You won’t electrocute yourself if you follow the…
How do you protect against back EMF? Protection or snubber diodes are installed across the motor terminals, opposing the supply voltage. Thus, when the motor…
How does SFTP work to transfer files between remote systems? FTP, or “File Transfer Protocol” is a popular method of transferring files between two remote…
How does a MOSFET amplify a signal? Voltage gain of a MOSFET is directly proportional to the transconductance and to the value of the drain…
Why are there two columns in a pageblocksection? So I am using a pageBlockSection with two columns to display some details for particular SObjects. The…
Can you run 2 monitors with different refresh rates? Now, you can still use two different monitors 60hz + 144hz together. You might not like…
How capacitance is related to thickness? The capacitance of a parallel plate capacitor is proportional to the area, A in metres2 of the smallest of…
How do you monitor AC power? To get specifics regarding your energy usage, you only need one tool, really: an electricity usage monitor that tells…
What is modulation index and frequency deviation of FM? The FM modulation index is equal to the ratio of the frequency deviation to the modulating…