In the circuit shown in Fig.4.20 both the ammeter and the cell have negligible resistance.
Channel: Doubtnut
Date: 30/08/2020

In the circuit shown in Fig.4.20 both the ammeter and the cell have negligible resistance. Three external resistors are identical. When the switch S is opened, the ammeter reads 0.6 A. What will the ammeter read when the switch S is closed ?