DAY 11 – 13 for REVISION for BOARDS/JEE/NEET ! How can we get quick revision

DAY 11, 12 and 13

Force on charge in magnetic field

 

Definition of magnetic field

 

Deflection in magnetic field versus deflection in electrical field

 

Path  of charged particle in magnetic

 

Behaviour of momentum behaviour of kinetic energy for charge in magnetic field

 

CYCLOTRON

 

Biot Savart law its uses in finding magnetic due to long conductor

 

Biot Savart law its uses in finding magnetic  due circular you stop

 

Force on charged conductor  kept in magnetic field

 

Ampere Circuital Law

 

B  due to SOLENOID  and TOROID

 

Force between 2 parallel conductors

 

Definition of  1 Ampere

 

Torque on Coil placed in magnetic Field

 

Principle of Galvanometer

 

Conversion of Ammeter and Voltmeter

 

Current Sensitivity

 

 

SOLVED NCERT

4.1, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8

 

UNSOLVED

3, 5, 6, 8, 9, 10, 17, 19, 23, 24, 26, 27, 28,

 

1. State Biot- Savart law and apply it to find the magnetic field due to a circular loop carrying current at a point (a) at its centre (b) on the axis
2. State Ampere’s circuital law and apply it to find the magnetic field (a) inside a current carrying solenoid (b) inside a current carrying toroid
3. Apply Ampere’s circuital law to determine the magnetic field at a point due to a long straight current carrying conductor.
4. Derive an expression for the force on a current carrying conductor in a uniform magnetic field F = I L× B
5. Derive an expression for the force between long straight conductors carrying current and hence define 1 ampere.
6. Derive an expression for the torque on a current carrying loop in a uniform magnetic field.
7. Describe the principle construction and working of a Moving coil galvanometer.
8. Describe the conversion of a moving coil galvanometer into (a) Ammeter (b) Voltmeter
9. What is radial magnetic field? What is its importance in a moving coil galvanometer? How is a radial magnetic field realized in moving coil galvanometers?
10. Describe the principle construction and working of a cyclotron. Explain why an electron cannot be accelerated using a cyclotron.
11. Describe the motion of a charged particle in a magnetic field when it enters the field (a) perpendicular to the field lines (b) obliquely making and angle Θ with the field lines
12. Derive an expression for the magnetic dipole moment of a revolving electron and hence define Bohr magneton.

 

NCERT MAGNETIC EFEFCTS

NCERT

 

Questions and Text

DAY 11