Learn about the roles of each component in an electrical circuit with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

See how the land and water are connected, and investigate electrical circuits.

When the clock alarm is activated at a time set by the user, electromagnetic relay in the circuit is energised for a short duration, controlled by the timer IC 555. Contacts of the relay can be used ...

“Always use the proper rated light bulb (s) wattage for the light fixture,” says Hannahs. “The maximum wattage should be shown on a sticker that is commonly on the light socket (where you screw in the ...

Tower Light Alarm Circuit Jan 24, 2003 12:00 PM, By Grady Moates Accurate tower light monitoring is a serious matter, and great care can be taken to install a thorough and automatic monitoring system.

Kids love building electric circuits, but connecting light bulbs to batteries with fiddly wires is tricky for young hands. Play dough and light-emitting diodes (LEDs) solve the problem beautifully ...

Q. What type of circuit breaker does the Code allow to be used for switching duty of lighting circuits? A. Circuit breakers used to switch 120V or 277V fluorescent lighting circuits must be listed and ...

If you choose the right answer, a circuit is completed and the buzzer buzzes or the bulb lights. If you don't, well, nothing happens.

Hyderabad: The tragic fire at a building in Gulzar Houz on Sunday that killed 17 members of a family, has led to fire safety experts warning that Hyde.