Skip to Main Content
Modern Electrical Installation for Craft Students, 3rd Edition
book

Modern Electrical Installation for Craft Students, 3rd Edition

by Brian Scaddan
November 2013
Intermediate to advanced content levelIntermediate to advanced
182 pages
6h 6m
English
Newnes
Content preview from Modern Electrical Installation for Craft Students, 3rd Edition
52 Cells, batteries and transformers
Advantages
Lead- Inexpensive
acid High discharge voltage
Uses plentiful materials
Alka- Very robust
line Retains its charge when
not in use
Needs little or no
maintenance
Disadvantages
Fragile
Self-discharges when not in
use
Requires regular maintenance
Very expensive
Low discharge voltage
Cell and battery circuits
E.m.f.
of cell(£, volts)
This is the maximum force available (measured in volts) in a cell to
produce current flow.
Internal resistance
When current flows through the cell there is some resistance to its flow
(less than
1 Ω
in a good cell) and hence a voltage drop across it.
Cells, batteries
and ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Electrical Calculations and Guidelines for Generating Station and Industrial Plants

Electrical Calculations and Guidelines for Generating Station and Industrial Plants

Thomas E. Baker

Publisher Resources

ISBN: 9781483106205