Knot library › Physics

Current Electricity: the misconceptions that cost marks

2 wrong ideas students commonly carry in Current Electricity. Each page has a one-question check and a careful explanation of what's actually true.

• Is current used up when it passes through a bulb?Myth: Current is used up as it passes through a bulb.
• Does adding a resistor always increase the total resistance?Myth: Adding a resistor always increases the total resistance.

Back to the full knot library