1.  A capacitor consists of two conducting surfaces called plates, separated by an insulating material called the:

2.  Capacitance is the measure of the ability of a capacitor to:

3.  A farad is the capacity of a capacitor that stores a charge of one coulomb at a potential difference of:

4.  A coulomb is the charge that passes a point in one second when a:

5.  The charge on a capacitor can be determined using the formula:

6.  A 15 uF capacitor has been charged to a potential difference of 240 V. The charge on the capacitor will be:

7.  The capacitance of a capacitor varies according to three physical parameters. These are, the effective area of the plates, the distance between the plates and the:

8.  For a capacitor consisting of two parallel plates, the capacitance can be found from the following equation: In the formula symbol ‘A’ stands for:

9.  The dielectric constant signifies the degree to which capacitance can be increased by replacing the:

10.  For a capacitor, the voltage per unit thickness necessary to cause breakdown is called the:

11.  When capacitors are connected in series the total capacitance will be:

13.  Look at the following diagram: Two capacitors have been connected in series across a 24 V DC supply as shown. The voltage across the 33 uF capacitor will be:

14.  Placing two or more capacitors in parallel has the same effect as:

15.  Look at the following diagram: Two capacitors have been connected in parallel as shown. The total capacitance will be:

16.  When a capacitor is connected to DC supply a charging current will flow. This current:

17.  The time constant is the time taken for a capacitor to charge up to:

18.  Look at the following diagram: With reference to the time constant curve shown above, the percentage of the supply voltage on a capacitor three time constants after charging has commenced will be:

19.  Look at the following diagram: The time constant of the above circuit is:

20.  Look at the following diagram: With reference to the above circuit, if the capacitor has been charged to 24 V, then the time taken to discharge to 15.16 V will be:

21.  Look at the following diagram: With reference to the above circuit, if the capacitor is fully discharged and the switch connected to the charge position, the capacitor voltage will reach 20.74 V in:

22.  The energy stored in the capacitor can be found using the formula:

23.  A 47 uF capacitor has been charged from a 200 V DC supply. The energy stored in the capacitor will be:

24.  Care must be taken when working with large value capacitors as they can:

25.  Look at the following diagram: With reference to the above circuit, a highvalue bleedresistor has been permanently connected across capacitor C1 to:

26.  If an oilfilled capacitor has less than its rated capacitance then the most likely cause would be that:

27.  To test a large capacitor, an ohmmeter is placed across the terminals of a known discharged capacitor. If there is capacity in the capacitor the resistance will be:

28.  Look at the following diagram: The capacitors shown are:
