in order to answer the question you have to become the question which is impossible unless you are the question then you should know the answer to the question which would mean they is no point in asking the question
You need a Battery, Light Bulb, Ammeter, Switch.
When electricity goes through it it buzzes
Use the astable to switch a power transistor and connect the buzzer as the transistor load.
A buzzer is cool. You just connect the circuit.
A great magazine called MAKE, www.makezine.com
Yes, it is an electronic switch know as a triggered SCR (Silicon Controlled Rectifier)
A lever.
A Switch is a device used to make or brake an electronic circuit for a purpose such as starting a fan, lighting up the bulb etc.
The simple machine in a light switch is a "lever".
i dont know
Usually it is by pushing the switch on the wall into the down position. If that does not work, turn the bulb until it does not make contact and fix the switch.
figure it out! Read BOOKS