Question

The diagram shows a cell connected in series with an ammeter and three resistors (10 Ω, 20Ω, 30Ω). The circuit can be completed by a movable constant M. When M is connected to x, then ammeter reads 0.6 A. what is the ammeter reading when M is connected to y?

Answer 1

Answer: 0.2A

Explanation:

V=IR

so the potential of battery is 60V.