Free Printable Capacitors, Equivalent Capacitance, and Capacitive Reactance

1.

The insulating layer of a cacitor is called the

a)

plate

b)

conductors

c)

dielectric

d)

terminals

2.

The amount of charge that a capacitor can accept is determined by

a)

It's capacity C=Q/V

b)

the plate area

c)

the dielectric thickness

d)

all of the above

3.

A charged capacitor act like

a)

a DC open

b)

a momentary open

c)

a inverse voltage

d)

a current source

4.

amount of charge stored per unit volt

a)

capacitance

b)

capacitor

c)

dielectric

d)

dielectric constant

5.

amount of charge stored per unit volt

a)

capacitance

b)

capacitor

c)

dielectric

d)

dielectric constant

6.

When capacitors are connected in series, how is the total capacitance $C_{eq}$ calculated?

a)

$C_{eq}=C_1+C_2+C_3+...$

b)

$C_{eq}=\frac{1}{\frac{1}{C_1}+\frac{1}{C_2}+\frac{1}{C_3}+...}$

c)

$C_{total} = \frac{C_1 \cdot C_2 \cdot C_3 \cdot ...}{C_1 + C_2 + C_3 + ...}$

d)

$C_{eq}=\sqrt{C_1^2+C_2^2+C_3^2+...}$

7.

When capacitors are connected in parallel, how is the total capacitance $C_{eq}$ calculated?

a)

$C_{eq}=C_1+C_2+C_3+...$

b)

$C_{eq}=\frac{1}{\frac{1}{C_1}+\frac{1}{C_2}+\frac{1}{C_3}+...}$

c)

$C_{total} = \frac{C_1 \cdot C_2 \cdot C_3 \cdot ...}{C_1 + C_2 + C_3 + ...}$

d)

$C_{eq}=\sqrt{C_1^2+C_2^2+C_3^2+...}$

8.

What happens to the capacitance of a capacitor if the area of the plates is doubled?

a)

The capacitance is halved

b)

The capacitance remains the same

c)

The capacitance is doubled

d)

The capacitance is quadrupled

9.

What effect does increasing the distance between the plates of a capacitor have on its capacitance?

a)

Increases the capacitance

b)

Decreases the capacitance

c)

Has no effect on the capacitance

d)

Initially increases then decreases the capacitance

10.

What is the unit of capacitance?

a)

Ohm

b)

Farad

c)

Volt

d)

Ampere

11.

In a series circuit of three capacitors with capacitances of 2F, 3F, and 6F, what is the total capacitance?

a)

11F

b)

1F

c)

$\frac{1}{11}$ F

d)

$\frac{1}{3}$ F

12.

Two identical 50 μF capacitors are arranged in series. Determine the overall capacitance of the circuit

a)

50 μF

b)

100 μF

c)

150 μF

d)

25 μF

e)

17 μF

13.

Three identical 50 μF capacitors are arranged in series. Determine the overall capacitance of the circuit

a)

50 μF

b)

100 μF

c)

150 μF

d)

25 μF

e)

17 μF

14.

Three identical 50 μF capacitors are arranged in parallel. Determine the overall capacitance of the circuit

a)

50 μF

b)

100 μF

c)

150 μF

d)

25 μF

e)

17 μF

15.

Two identical 50 μF capacitors are arranged in parallel. Determine the overall capacitance of the circuit

a)

50 μF

b)

100 μF

c)

150 μF

d)

25 μF

e)

17 μF

16.

Two identical 50 μF capacitors are arranged in parallel. Determine the overall capacitance of the circuit

a)

50 μF

b)

100 μF

c)

150 μF

d)

25 μF

e)

17 μF

17.

What is the potential difference called in a circuit?

a)

Voltage

b)

Current

c)

Resistance

d)

Power

e)

Capacitance

18.

A capacitor with a greater area has

a)

greater capacitance

b)

less capacitance

c)

higher resistance

d)

lower voltage

19.

This schematic symbol represents a:

a)

Capacitor

b)

Inductor

c)

Transistor

d)

Resistor

20.

0.707 x Vpeak gives which value?

a)

Vaverage

b)

Vrms

c)

Vtotal

d)

Vmax

21.

XC=1/2πfC1

Find the reactance of a 10 µF capacitor at 50 Hz.

22.

XC=1/2πfC

A 4.7 µF capacitor is connected to a 1 kHz source. Find XC.

Remember to convert the Capacitance and the Frequency to their base values before solving. (2 decimal places)

23.

XC=1/2πfC

Calculate the capacitive reactance for a 2 µF capacitor at 60 Hz

24.

Ceq=C1+C2+C3+...

Find the equivalent capacitance of 3 µF and 6 µF in parallel.

25.

1/Ceq=1/C1+1/C2+1/C3+...

Find the equivalent capacitance of 5 µF and 10 µF in series

26.

What is the total capacitance of 2 µF, 4 µF, and 8 µF in parallel?

27.

Two capacitors of 12 µF and 6 µF are in parallel. Find Ceq.

28.

Find the equivalent capacitance of three capacitors: 8 µF, 16 µF, and 32 µF in series

29.

Find the equivalent capacitance of three 6 µF capacitors in series

Capacitors, Equivalent Capacitance, and Capacitive Reactance

Total questions: 29

Worksheet time: 29mins

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