What is an electric circuit?

By mistake, a voltmeter is connected in series and an ammeter in parallel with a resistance in an electric circuit. What will happen to the measurements?

Which device would most likely be classified as a load in an electrical circuit ?

What is an electric screen ?

What is an electric charge ?

If the emf induced in an electrical circuit be e and the current induced be I then,

In which part of an electrical circuit can Kirchhoff's law of voltage be applied ?

In which part of an electrical circuit can Kirchhoff's law of currents be applied ?

Show that to get maximum power in an electrical circuit the external resistance should be equal to the internal resistance.