Von was ist die Geschwindigkeit eines Elektromotors abhängig?

Von welcher Einheit ist die Geschwindigkeit eines Elektromotors abhängig? Ist es die Spannung, die Stromstärke oder eine andere Einheit?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia��).