In a circuit, the maximum range of the ammeter is a ampere, and the voltage is B volt. There is a variable resistor Rx. Q: how to expand the range of the ammeter ten times

In a circuit, the maximum range of the ammeter is a ampere, and the voltage is B volt. There is a variable resistor Rx. Q: how to expand the range of the ammeter ten times

Let RX = B / 9A In parallel with ammeter