Evan's Space

Static Electricity

1) Electric Field and Electric Field Lines http://evantoh23.wordpress.com/2013/02/26/electric-field-and-field-lines/

2) Static Electricity – charging and object, and charged body near a body

 

Current Electricity

1) Concepts of Short Circuit http://evantoh23.wordpress.com/2014/02/11/short-circuit/

2) Basics terms in an electric circuit http://evantoh23.wordpress.com/2014/02/11/basic-terms-in-an-electric-circuit/

3) Electromotive force (emf) vs potential difference (p.d) http://evantoh23.wordpress.com/2013/04/07/175937913/

4) Factors that affect resistance of a conductor http://evantoh23.wordpress.com/2013/03/24/factors-physical-quantities-which-affect-resistance-r/

5) Common Electrical Symbols

 

 

DC Circuit

1) Rules of Series and Parallel Circuits - Using River System Analogy

2) Potential Divider Summary

3) V-I graphs of various components

 

Practical Electricity

1) Errors in connection of the 3-pin plug http://evantoh23.wordpress.com/2014/03/06/errors-in-connection-of-3-pin-plug/

2) What is the functions of fuse and earth wire, and how they work

 http://evantoh23.wordpress.com/2014/03/05/whats-the-purpose-of-fuse-and-earth-wire-and-how-they-work/

3) Why fuse and switch must be on Live wire? http://evantoh23.wordpress.com/2014/03/05/how-the-wiring-works-and-the-purpose-of-fuse-and-earth-wire/

4) What do you mean by a kettle is 2000 W? http://evantoh23.wordpress.com/2014/02/27/what-do-you-mean-by-a-kettle-is-2000w/

5) How is the cost of electrical consumption calculated? http://evantoh23.wordpress.com/2014/02/18/cost-of-electrical-energy-consumption/

6) 3-pin plug and what are the wires? http://evantoh23.wordpress.com/2013/05/14/the-3-pin-plug/

7) What does power rating 240 V and 60 W of a bulb mean? http://evantoh23.wordpress.com/2012/10/29/what-do-you-mean-by-bulb-rating-of-240-v-60-w/

8) Why thick wires for high power electrical appliances? http://evantoh23.wordpress.com/2012/10/24/thick-cables-for-high-power-electrical-applia/

9) Double Insulation http://evantoh23.wordpress.com/2012/10/18/double-insulation/

10) Why lighting circuit should be connected in parallel?

11) 3 pin plug

12) Function of Fuse

13) What will cause the fuse to melt?

14) Function of Earth Wire

15) Why Fuse and Switch be on the Live wire?

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Magnetism

1) Compass needle is a permanent magnet. It is made of steel!

 

Electromagnetism

1) Precious Right Hand Grip Hand (RHGR): http://evantoh23.wordpress.com/2014/08/21/my-love-for-right-hand-grip-rule-rhgr/

2) Dots and Crosses: What do they mean? http://evantoh23.wordpress.com/2014/08/04/current-into-or-out-of-the-plane-of-the-paper-crosses-or-dots/

3) How to use Fleming's Left Hand Rule (FLHR) http://evantoh23.wordpress.com/2014/05/16/how-to-use-flemings-left-hand-rule-flhr/

4) Turning Effect of Current-carrying Coil in a Magnetic Field

5) DC Motor Summary

6) Electromagnetism - reading on balance with a magnet and current-carrying wire

 

Electromagnetic Induction

1) DC motor vs AC generator

2) AC generator summary

3) Transformer summary

4) Understanding CRO