CBSE Class 12 Trouble Shooting & Maintenance Of Electronic Equipment Marking Scheme 2026

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Frequently Asked Questions

  • How does moisture affect electronic devices?

    Moisture can cause corrosion on metal parts and create short circuits by bridging electrical contacts that should remain isolated. It can lead to malfunction or irreversible damage.
  • How do fuses protect electronic circuits?

    Fuses protect circuits by breaking the connection if current exceeds safe levels. They prevent damage from overloads by melting their wire element when overheated.
  • Why is it important to update software on electronic devices?

    Software updates often fix bugs or vulnerabilities that could impair device functionality or security. They may also enhance performance with new features.
  • What are some common causes of poor connectivity in electronics?

    Common causes include loose connectors or cables; interference from other devices; outdated drivers; physical obstructions; faulty hardware; software configuration errors.
  • What steps should you take if an electronic device fails to start?

    First check power sources such as plugs or batteries; inspect cables for damage; reset the device if possible; consult manuals for troubleshooting tips specific to your model.
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