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CBSE Class 12 Trouble Shooting & Maintenance Of Electronic Equipment Sample Question Papers 2026
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Frequently Asked Questions
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How can static electricity damage electronic components?
Static electricity can discharge into sensitive components causing electrostatic discharge (ESD), which may damage circuits by breaking down insulation or creating unwanted currents. -
What safety precautions should be taken during maintenance?
Safety precautions include turning off power before repairs, using insulated tools, wearing protective gear like gloves or goggles, and being aware of hazardous voltages. -
How does heat affect electronic equipment performance?
Excessive heat can degrade materials, reduce efficiency, increase electrical resistance in circuits, and lead to premature failure of components such as capacitors or semiconductors. -
What tools are essential for maintaining electronic equipment?
Essential tools include screwdrivers, pliers, soldering iron with solder wick or sucker for desoldering tasks, multimeter for measurements, oscilloscope for signal analysis, and antistatic wrist straps. -
What is preventive maintenance in electronics?
Preventive maintenance involves regular inspection and cleaning of equipment to prevent future failures. It may include checking connections, updating firmware or software, and replacing worn parts before they fail.