CBSE Class 10 Electronics and Hardware 2025 Syllabus

Field Technician & Other Home Appliances, also called "Home Appliance Repair Technician", is an after sales-service job for installing and providing support to the Mixer grinder/juicer, microwave oven buyers. The individual at work installs the appliances and interacts with customers to diagnose the problem and possible causes.

The job requires the individual to have ability to build interpersonal relationships and trustworthiness. The individual must be willing to travel to client premises in order to attend to calls at different locations.

Part B: Subject Specific Skills

Unit Topic Marks
1 Electrical Components and Motor 8
2 Repair and Maintenance of Mixer/Juicer/Grinder 10
3 Repair and Maintenance of Microwave Oven 12
4 Workplace Health and Safety Measures 10
  Total 40

Unit 1: Electrical Components and Motor

1 Appreciate the role electrical safety components

  • Relay
  • Types of Relay
  • Circuit Breaker
  • Fuse - types, use of fuses and its rating

2. Appreciate the concepts of motor

  • Electric Field and Magnetic Field
  • Electromagnetic Induction
  • Fleming’s left hand rule and right hand rule
  • Lentz law
  • Lorentz Law
  • Winding
  • Winding types - wave winding and lap winding
  • Single phase supply system

3. Demonstrate the functioning of motors

  • Introduction to motor
  • Parts of motor
  • Types of motor
  • Working principle of motor
  • RPM of motor
  • Functioning of motor

Unit 2: Repair and Maintenance of Mixer/Juicer/Grinder

1. Identify faults on mixer/juicer/grin der on the basis of symptoms

  • Different models of appliances (mixer/juicer/grinder), their features and functioning
  • Functioning of various electromagnetically parts of the mixer grinder
  • Frequently occurring faults such as abnormal noise during use, jars

2. Replace dysfunctional module in mixer/juicer/grinder

  • Components / modules of different mixer / juicer /grinder
  • Other products of the company

3. Confirm functionality of repaired mixer/juicer/grinder

  • Reassembly process of the mixer/juicer/grinder
  • Factors confirming the proper functioning of the repaired/ replaced part or unit of the mixer/juicer/grinder
  • Cleaning and maintenance process of mixer/juicer/grinder

Unit 3: Repair and Maintenance of Microwave Oven

1. Identify faults on microwave oven on the basis of symptoms

  • Different models of microwave oven, their features and functionalities
  • Functioning of microwave oven
  • Components/modules of different microwave oven
  • Troubleshooting of microwave oven
  • Frequently occurring faults such as intermittent heating, no heating, timing problem, display problem

2. Replace dysfunctional module in microwave

  • Energy ratings such BEE ratings and concepts of e waste

3. Confirm functionality of repaired microwave oven

  • Reassembly process of the microwave oven
  • Factors confirming the proper functioning of the repaired/ replaced part or unit of the microwave oven
  • Cleaning and maintenance process of microwave oven

Unit 4: Workplace Health and Safety Measures

1. Observe the workplace safety measures for health

  • Electrical hazards
  • Chemical hazards
  • Fire extinguisher
  • First aid for electrical emergency