New posts in Short Circuit

What is the use of this diode in the circuit?

Could 48V arc across this small gap?

High short circuit failure rate of aluminum electrolytic capacitors during the production processes

What's the purpose of these copper coils with resistors inside them in A Yamaha RX-V396RDS amplifier?

Why do engineers usually short ground and negative ports on a DC power supply?

How can I troubleshoot an active short circuit?

Short circuit = zero voltage?

Why do we "need" resistors (I understand what they do, just not why...)?

What do they mean by "short-circuited" here?

Will a battery short out when the terminals are directly connected together or will internal resistance save it?