A zener-regulated power supply consists of a 9 V battery connected in series with a resistance
Channel: Doubtnut
Date: 2020-05-24

A zener-regulated power supply consists of a 9 V battery connected in series with a resistance of `100 Omega` and a zener diode. The zener diode maintains a constant voltage drop of 4 V across a load resistance of `400 Omega`. The current drawn by the load resistance will be