A zener-regulated power supply consists ...

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

0.025 A

0.050 A

0.01 A

0.015 A

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