ppt presentation on electric circuit

1. `

3. • An electric circuit is a closed path in which
current flows.
• In general ,a circuit has the following
components:-
(1.)A source of electric current such as a battery
of one or more cells.
(2.)Connecting wires which are normally
insulated copper wires.
(3.)An appliance which is using the current ,for
e.g. a bulb or an electric iron.
(4.)A key which is a switch.

5. When you switch on an electric
torch the bulb glows and gives off
light. The bulb glows because, when
you press the torch. The switch,
electric current flows from the
battery in the torch to the bulb
through conducting metal strips in
the conducting strips provide a
closed path for the current to flow.

6. IItt iiss aa eelleeccttrriicc cciirrccuuiitt wwiitthh ttwwoo
cceellllss ,,aa bbuullbb aanndd aa ttaapp kkeeyy

8. An electrical cciirrccuuiitt iiss aa nneettwwoorrkk
tthhaatt hhaass aa cclloosseedd lloooopp ,,ggiivviinngg aa
rreettuurrnn ppaatthh ffoorr tthhee ccuurrrreenntt .. AA
nneettwwoorrkk iiss aa ccoonnnneeccttiioonn ooff ttwwoo oorr
mmoorree ccoommppoonneennttss ,, aanndd mmaayy nnoott
nneecceessssaarriillyy bbee aa cciirrccuuiitt..