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Understanding Capacitor Values Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

A ceramic capacitor is marked with "104". What is its capacitance value?

a)

10 nF

b)

100 nF

c)

0.1 μF

d)

0.01 μF

2.

Which instrument is commonly used to measure the capacitance of a capacitor directly?

a)

Voltmeter

b)

Capacitance meter

c)

Ammeter

d)

Oscilloscope

3.

A capacitor is marked "472". What is its value in nanofarads (nF)?

a)

4.7 nF

b)

47 nF

c)

470 nF

d)

4700 nF

4.

Which of the following is the correct conversion for 0.22 μF to nanofarads?

a)

22 nF

b)

220 nF

c)

2.2 nF

d)

2200 nF

5.

A capacitor is labelled "1μF 50V ±10%". What does "±10%" indicate?

a)

Maximum voltage rating

b)

Capacitance tolerance

c)

Temperature coefficient

d)

Physical size

6.

What is the value of a capacitor marked "333"?

a)

33 nF

b)

330 nF

c)

3.3 nF

d)

0.33 nF

7.

Which unit is most commonly used for small ceramic capacitors?

a)

Microfarads (μF)

b)

Nanofarads (nF)

c)

Picofarads (pF)

d)

Farads (F)

8.

A capacitor is marked "0.1μF". What is this value in nanofarads?

a)

1 nF

b)

10 nF

c)

100 nF

d)

1000 nF

9.

Which marking would you expect on a capacitor with a value of 4.7 nF?

a)

470

b)

472

c)

4720

d)

47200

10.

If a capacitor is marked "224", what is its value in microfarads?

a)

0.22 μF

b)

2.2 μF

c)

0.022 μF

d)

22 μF

11.

Which of the following best describes the voltage rating of a capacitor?

a)

The maximum voltage the capacitor can safely withstand

b)

The minimum voltage required for operation

c)

The voltage at which the capacitor will always fail

d)

The voltage needed to charge the capacitor

12.

A capacitor is marked "103". What is its value in picofarads?

a)

10 pF

b)

100 pF

c)

1000 pF

d)

10,000 pF

13.

Which of the following is NOT a typical method for measuring capacitance?

a)

Using a capacitance meter

b)

Using an LCR meter

c)

Using a ruler

d)

Using an oscilloscope

14.

A capacitor is marked "681". What is its value in nanofarads?

a)

6.8 nF

b)

68 nF

c)

680 nF

d)

0.68 nF

15.

What does the letter "J" typically indicate in a capacitor marked "104J"?

a)

Voltage rating

b)

Tolerance of ±5%

c)

Tolerance of ±10%

d)

Capacitance value

16.

A capacitor is marked "220n". What is its value in microfarads?

a)

0.22 μF

b)

2.2 μF

c)

22 μF

d)

0.022 μF

17.

Which of the following is the correct conversion for 4700 pF to nanofarads?

a)

4.7 nF

b)

47 nF

c)

470 nF

d)

0.47 nF

18.

A capacitor is marked "1μF 250V". What does "250V" refer to?

a)

Capacitance value

b)

Maximum voltage rating

c)

Tolerance

d)

Temperature coefficient

19.

Which equation relates capacitance ( CC ), charge ( QQ ), and voltage ( VV )?

a)

C=Q×VC = Q \times V

b)

C=QVC = \frac{Q}{V}

c)

C=VQC = \frac{V}{Q}

d)

C=Q+VC = Q + V

20.

A capacitor is marked "105". What is its value in microfarads?

a)

1 μF

b)

10 μF

c)

0.1 μF

d)

1.0 μF