Unit 15 Assignment 2 Applied Science

Unit 15: Electrical Circuits and
Their Applications
Assignment 2: AC/DC

, Contents:
SECTION 1: AC and DC:

Ac and DC production

Flemings right and left hand rule

Split ring in DC motor

Capacitor

Oscilloscope graphs for AC and DC

RMS value and why it is preferred over Peak value

SECTION 2: Effects of AC and DC electricity on the human
physiology:

Ac and Dc affect on body

Skin resistance

Safe levels of DC

Heart response to electric shock

SECTION 3: National Grid:

Ac production

High voltage vs. Low voltage

SECTION 4: Using AC and DC electricity around the home:

RCCB and ELCB

Double insulation

Fuses and maintenance circuits

, DC charging

Dangers and inbuilt safety

SECTION 5: Using AC and DC electricity in the industry:

Advantages and Disadvantages of Alternating current

Advantages and Disadvantages for Direct current

Risk Assessment for working in industry or educational lab