State the use of Ammeter. How to connect the Ammeter in electric circuit ?

How is an ammeter connenctned in an electric circuit?

What is use of Ammeter in circuit.

In lab, how do you connect an ammeter to the circuit ?

State Joule's law of heating. Explain the workmg of electric filament bulb. OR State Ohm's law. How ammeter and voltmeter should be connected in electric circuit ? What is the use of these instruments, in the circuit ?

State the steady value of the reading of the ammeter in the circuit shown below :