Click and drag answers to change the order, or select using ↹ Tab then move by pressing Space and the ↑ ↓ arrows on your keyboard.
measures the p.d. across the lamp
measures the current through the lamp
changes the p.d. across the lamp
get brighter when more current flows
To pick up a draggable item, press the space bar.
While dragging, use the arrow keys to move the item.
Press space again to drop the item in its new position, or press escape to cancel.