500
EXPLAIN OPEN AND CLOSED CIRCUITS (USE THE
LIGHT SWITCH AS AN EXAMPLE)
What is WHEN THE SWITCH IS OPEN, THE LIGHTS ARE
TURNED OFF. THIS IS BECAUSE THE FLOW OF
ELECTRIC CURRENT ISN'T COMPLETE. WHEN THE
SWITCH IS CLOSED, THE LIGHT ARE TURNED ON. THIS
IS BECAUSE THE FLOW OF ELECTRIC CURRENT IS COMPLETE