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Understanding Capacitors

Total questions: 5

Worksheet time: 3mins

Name
Class
Date
1.

What is the unit of capacitance ?

a)

Ohms

b)

Ampere

c)

Farad

d)

Volts

2.

In which unit is the energy stored in a capacitor measured?

a)

joules

b)

amps

c)

watts

d)

volts

3.

What is one common application of capacitors in electronic devices?

a)

Filtering high-frequency noise in audio circuits.

b)

Smoothing voltage fluctuations in power supply circuits.

c)

Storing energy for long-term use in batteries.

d)

Providing temporary power during device startup.

4.

How does a capacitor function in a power supply circuit?

a)

A capacitor generates electrical energy, powering devices in a circuit.

b)

A capacitor stores and releases electrical energy, stabilizing voltage in a power supply circuit.

c)

A capacitor converts AC to DC, enabling stable power supply operation.

d)

A capacitor filters out high-frequency noise, improving signal quality.

5.

Name a real-world example where capacitors are used in timing circuits.

a)

Analog clock circuit

b)

Microcontroller timing setup

c)

555 timer circuit

d)

LED blinking circuit