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Understanding Capacitors and Inductors

Authored by yusof muhamad

Education

4th Grade

Used 2+ times

Understanding Capacitors and Inductors
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a capacitor used for?

To amplify electrical signals.

A capacitor is used to store and release electrical energy.

To measure electrical resistance.

To convert electrical energy into mechanical energy.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does capacitance measure?

The speed of electric current.

The frequency of electric signals.

The ability to store electric charge.

The resistance to electric flow.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an inductor used for?

To convert AC to DC

An inductor is used to store energy and filter signals in electrical circuits.

To amplify electrical signals

To measure voltage in circuits

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does inductance measure?

Inductance measures the temperature of a conductor.

Inductance measures the ability of a conductor to store energy in a magnetic field.

Inductance measures the resistance of a conductor to electric current.

Inductance measures the speed of electrical signals in a conductor.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do capacitors store energy?

Capacitors store energy in magnetic fields created by current flow.

Capacitors store energy by compressing air between their plates.

Capacitors store energy by converting it into heat.

Capacitors store energy in the electric field created by separated charges on their plates.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do inductors store energy?

Inductors store energy in a capacitor.

Inductors store energy in an electric field.

Inductors store energy as heat.

Inductors store energy in a magnetic field.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of capacitance?

ohm (Ω)

farad (F)

volt (V)

watt (W)

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