You've got the right idea. However, 230mA is a lot of current for an ordinary 9V battery to supply, so probably the battery voltage was dropping significantly below 9V. Ordinary LEDs need much less current than torch (flashlight) bulbs.
You've got the right idea. However, 230mA is a lot of current for an ordinary 9V battery to supply, so probably the battery voltage was dropping significantly below 9V. Ordinary LEDs need much less current than torch (flashlight) bulbs.