A2 Capacitors

The figure to the right represents:

• Capacitor
• Diode
• Inductor
• Resistor

Which of the following is symbol of capacitor ?

• 
• 
• 
• 

Capacitance is measured in___________

• Coulombs

• Farads

• Hz

• Volts

The insulating layer of a capacitor is called the

• plate

• conductors

• dielectric

• terminals

In the capacitor, the dielectric can be made out of all sorts of ---------- materials and the plates are made of a -------------- material.

• conductive, insulating

• conductive, conductive

• insulating, conductive

• insulating, insulating

What happens to the charge in a capacitor during the charging process?

• Collects more and more electrons

• Decreases charge over time

• Remains the same

What happens to the current in the circuit during the discharging process of a capacitor?

• Looses charge over time

• Increases charge over time

• Remains constant

The symbol for a battery or power source is _____ (2 answers needed).

• 
• 
• 
• 

------------------------ is created out of two metal plates and an insulating material called a dielectric.

• An inductor
• A capacitor
• A fixed resistor
• A variable resistor

The picture and symbol of capacitor to the right represents:

• non-polarized

• polarized

• variable

• preset