g9 4th quarter 1st summative

​ ​ (a)   1. A form of problem solving, to repair failed processes in electricity and electronics.

2. If the meter reading is “Zero” this means fuse is in good​ (b)  

​ (c)   3. It is used to check if the resistor is in good condition or broken.

​ (d)   4. It can de-separate normal-mode electrical noise from the hot-neutral voltage waveform.

​ ​ (e)   5. The test to be sure that there are no short circuits or faults

• Troubleshooting
• Good condition
• Multimeter
• Oscilloscope
• Functionality
• Broken

Identify the circuit to be switched off and disconnected by removing or operating the protective device.

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It is alright working on electricity without proper guidance and care.

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The higher value in multimeter must be chosen then gradually reduce to the proper valve.

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Disconnect all power source before checking, servicing, repairing or installing electrical equipment and devices.

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Insulation resistance is a test to ensure that there are no short circuits or faults.

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Perform root cause analysis - It determines the cause of the problem. Since one of the objectives of troubleshooting is to ensure the problem will not happen again, it is important to determine what really caused the malfunction and take action to ensure a permanent solution is found.

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Reorder the following Troubleshooting steps

• Create a plan of action

• Describe the problem

• Determine the most probable Cause

• Gather information