Hewitt Drew-It! PHYSICS Screencasts
Electric Current


Hewitt-Drew-it! PHYSICS 91. Ohm's Law
Battery and bulb to explain, with numerical examples.

Hewitt-Drew-it! PHYSICS 92. Voltage Drop
Why the sum of the voltages across bulbs in series adds to battery voltage.

Hewitt-Drew-it! PHYSICS 93. Water and Electron Circuits
The similarities and differences between electric and hydraulic circuits.

Hewitt-Drew-it! PHYSICS 94. Bulbs in Parallel
The rules of parallel circuits illustrated.

Hewitt-Drew-it! PHYSICS 95. Electric Power
Battery and brightness of bulbs explained.

Hewitt-Drew-it! PHYSICS 96. Equivalent Resistance
Rules for equivalent resistance for series and parallel circuits explained.

Hewitt-Drew-it! PHYSICS 97. Circuit Resistances
Finding equivalent resistances for complex circuits.

Hewitt-Drew-it! PHYSICS 98. Battery Demo
Circuit features featuring a car battery and bulbs.

Hewitt-Drew-it! PHYSICS 99. Car Battery Power
A summary of current, voltage, resistance and power

Hewitt-Drew-it! PHYSICS 100. Circuit Medley
A summary of electric circuits.