Capacitive circuits

In this challenge you are presented with 14 questions about capacitive circuits. Your challenge is to correctly answer all of the questions.

Instructions:

For the multi-choice questions:

  • choose the correct answer
  • write down your answer.

For the calculation questions:

  • calculate the unknown value
  • specify the appropriate unit
  • write down your answer.

Note:

  • You can print this page and write your answers onto it.
  • You can use a calculator.

 

Question 1

How will the addition of a resistor to a capacitive circuit affect the time taken for the capacitor to charge?

Capacitive circuit

  1. Increase the time.
  2. Decrease the time.
  3. Time remains the same.

Question 2

For the following circuit diagram, how long will it take to fully charge the capacitor?

Circuit diagram

Question 3

For the following circuit diagram, calculate the total capacitance value of the circuit.

Circuit diagram

Question 4

For the following circuit diagram, calculate the total capacitance value of the circuit.Circuit diagram

Question 5

For the following circuit diagram, calculate the total capacitance value of the circuit.Circuit diagram

Question 6

For the following circuit diagram, calculate the total capacitance value of the circuit.Circuit diagram

Question 7

For the following circuit diagram, calculate the total capacitance value of the circuit.Circuit diagram

Question 8

Capacitors are safe to handle by a person provided they have been removed from any source of power.

  1. True.
  2. False.

Question 9

Select the three (3) possible faults that can occur to a capacitor.

  1. Open circuit.
  2. Capacitance loss.
  3. Short circuit.
  4. Electrolyte loss.
  5. Parallax error.

Question 10

What type of capacitor fault exists if there is an electrical connection between the plates of a capacitor?

  1. Open circuit.
  2. Capacitance loss.
  3. Short circuit.
  4. Electrolyte loss.
  5. Parallax error.

Question 11

What should you do to a capacitor before you test it?

  1. Charge it.
  2. Discharge it.

Question 12

What should you do to a capacitor after you have tested it?

  1. Charge it.
  2. Discharge it.

 

When you have finished:

  • show your answers to your trainer
  • close this window and choose a new activity from the menu.