List of top Questions asked in CBSE CLASS XII- 2026

Occupational diseases are generally caused by poor work or working conditions. (True/False)

The process of establishing a hazardous location or agent at the workplace is called

What is a key characteristic of Schizoid personality disorder?

Explain the good handling technique of lifting heavy load manually at workplace.

Write the precautions to be taken while using a single-phase motor. Also give its advantages and disadvantages over three-phase induction motor.

With control circuit diagram, explain the working of direct on-line motor starter.

What is a Digital multimeter? Write its features and draw its schematic block diagram.

What is the first step in the active listening process?

Draw a labelled diagram of an Electric Mixer.

Write possible faults that may occur in a Room Cooler and an Electric Geyser. How can these faults be removed?

Explain why a single-phase induction motor is not self-starting. What are the methods used to make it self-starting?

Explain the construction, working, and uses of a capacitor-start capacitor-run single-phase induction motor.

Explain the basic concept of transformer. Mention any two different types of transformers.

Explain in brief the different types of cooling systems used for transformers.

Draw a diagram showing inductance in an AC circuit with the voltage and current waveform.

Write any two precautions to be taken while using an immersion heater.

Write the steps to protect a spreadsheet with a password.

Mention general characteristics of DC shunt motor and its applications.

List the importance of positive thinking in life.

List some ways by which one can reduce the amount of waste generated.

Write one sentence of each type --- Statement, Question, Exclamatory, Order.

What do you understand by organisational skills? Which organisational skills help an entrepreneur to become successful?

In a series RLC circuit, R indicates:

Speed of motor used in electric mixer has ________ RPM.

The efficiency of single-phase motor as compared to three-phase motor is: