The following apparatus is available in a laboratory :
Battery : adjustable from 0 to `4.5 V`
Resistors : `3 Omega` and `6 Omega`
Ammeters : `A_1` of range 0 to 3 A , least count `0.1 A`
`A_2` of range 0 to 1 A , least count `0.05 A`
Voltmeters : `V_1` of range 0 to 10 V , least count `0.5 V`
`V_2` of range 0 to 5 V , least count `0.1 V`
Which is the best combination of votmeter and ammeter for finding the equivalent resistance of the resistors in series ?

Options

A. Ammeter `A_(1)` and voltmeter `V_(1)`
B. ammeter `A_(1)` and voltmeter `V_(2)`
C. ammeter `A_(2)` and voltmeter `V_(1)`
D. ammeter `A_(2)` and voltmeter `V_(2)`

Answer

C

Explanation

NA