An ammeter of resistance 0.80 ft can measure current up to 1.0 A

CBSE Class 12 CBSE Class 12 Physics
,
1

An ammeter of resistance 0.80 ft can measure current up to 1.0 A.
(i)What must be the value of shunt resistance to enable the ammeter to measure current up to 5.0 A ?
(ii) What is the combined resistance of the ammeter and the shunt ?

2