I am an undergrauate student of Electronics engineering.i want to know the importance of learning Visual Basics 6. will VB6 help me later in my life,or is there any other...

a transformer can also amplify an ac signal than why do we use a transistor as an amplifier

We use transformer to decrease current and increase voltage at the time of transmitting the AC power to homes, industries etc so that the loss of power due to current...

I wish to know the basic difference between the terms 'voltage' and 'current' used in electrical engineering. I'd appreciate any responses.