Free Printable Capacitors, Conductors and Dielectrics

Worksheets

Capacitors, Conductors and Dielectrics

Total questions: 25

Worksheet time: 13mins

Name

Class

Date

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

An inductor

A capacitor

A fixed resistor

A variable resistor

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

The figure to the right represents:

Capacitor

Diode

Inductor

Resistor

With respect to the capacitor, which relationship is true? •

C = Q×V

V = C×Q

Q = C/V

With respect to the capacitor, which relationship is true?

C = Q/V

V = C×Q

Q = C/V

Q = V/C

If C= 470μF, V=3V, then

1.71mC

1.51mC

1.61mC

1.41mC

The formula for the energy stored in the capacitor is:

W=(1/2)CV

W=(1/2)C²V

W=(1/2)CV²

W=(1/2)²CV

In the capacitor, greater plate area gives:

greater capacitance

less capacitance

no change

In the capacitor, closer plate spacing gives:

less capacitance

no change

greater capacitance

10.

Capacitor C₁ and C₂ are connected in parallel. The equivalent capacitance is given by:

C₁ + C₂

1/(C₁ + C₂)

C₁C₂/(C₁ + C₂)

(C₁ + C₂)/C₁C₂

11.

Capacitors C₁ and C₂ are connected in series. The equivalent capacitance is given by:

C₁C₂/(C₁ + C₂)

(C₁ + C₂)/C₁C₂

1/(C₁ + C₂)

C₁ + C₂

12.

In a parallel circuit what is split ____ and what is the same ____ between current and voltage?

voltage, current

current, voltage

resistance, voltage

resistance, current

13.

What happens when a parallel plate capacitor is charged with d.c.

Electrons move away from the plate attached to the negative terminal

Electrons move away from the plate attached to the positive terminal

Protons move away from the plate attached to the negative terminal

Protons move away from the plate attached to the positive terminal

14.

If the capacitance of a capacitor is 10F and the voltage applied is 5V, what charge would be stored?

50C

0.5C

15.

As you charge up a capacitor, what happens to the voltage across it?

Increases

Decreases

Stays the same

16.

As you charge up a capacitor, what happens to the current through it

Increases

Decreases

Stays the same

17.

Which factor will affect the initial current through a capacitor in an RC circuit?

The capacitance of the capacitor

The resistance of the resistor

18.

What is the energy stored on a capacitor with capacitance 2F when 10V is supplied

100

200

19.

What is the energy stored in a 1F capacitor which has 10C of charged stored

10J

50J

0.1 J

20.

Which of these options is not an example of an application of capacitors

Blocking d.c.

photographic flash light

smoothing

reducing the current

21.

What are the units of charge

Coulombs

Joules

Farads

Volts

22.

If 4A of current is passed onto a resistor in 4 seconds, what is the total charge stored?

16C

12C

23.

If the charge on a parallel-plate capacitor is doubled:

the capacitance is halved

the capacitance is doubled

the electric field is halved

the electric field is doubled

24.

The following are factors affecting capacitance, except.

Dielectric in between the metal plates

Area of the metal plates

Distance of separation of the metal plates

Voltage across the metal plates

25.

Which of the following is not a dielectric?

silicon

germanium

polystyrene

titanium

Reset

Capacitors, Conductors and Dielectrics

Total questions: 25

Worksheet time: 13mins

Similar Resources on Wayground