What do you understand by magnetic field? Define its strength and SI unit and give its dimensional formula.

What do you understand by magnetic field ? Define its strength and SI unit. Also, give its dimensional formula.

What do you understand by the term magnetic field lines ?

What is magnetic flux density? Define its units and give its dimensions.

Define stress. Give its dimensional formula.

What is power ? Give its dimensional formula ?

Define thrust and pressure and give their unit and dimensional formula.