12th Physics Chapter 14 Notes
Important Easy to understand Notes of Physics of 12th Physics Chapter 14 Notes written by Professor Mr. Asad Abbas Suib. These notes are very helpful in the preparation of 12th Physics Chapter 14 Notes for students of the 12th class and these are according to the paper patterns of all Punjab Book Boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- Important 12th Class physics chapter 14 objective for Intermediate part-II students.
- Definition of Magnetic field and its SI Unit.
- Right hand rule for find direction of magnetic field
- Important 12th class physics chapter 14 important questions for Intermediate part-II students.
- Right hand rule for finding the direction of magnetic force
- What is Magnetic Flux and Flux Density?
- Important 12th class physics chapter 14 question answer for Intermediate part-II students.
- State Ampere Law And Determination of Flux Density.
- Calculate the Magnetic field inside a current carrying solenoid.
- Important 12th physics chapter 14 notes for Intermediate part-II students.
- Calculate the formula for Force on moving charge placed in a magnetic field
- Explain Motion of charge particle in electric and magnetic field. What is
Lorentz force & formula.
- Important 12th Class physics chapter 14 notes pdf for Intermediate part-II students.
- Explain the Determination of e/m of an electron
- Determination of velocity by potential difference method.
- Write a note on Cathode Ray Oscilloscope
- Important 12th class physics chapter 14 exercise for Intermediate part-II students.
- Definition of CRO and Principle of working of CRO
- Sweep or time base generator and Trace on CRO if voltage is applied across y plates
- Uses of Cathode Ray Oscilloscope (CRO)
- Important 12th class physics chapter 14 exercise solutions for Intermediate part-II students.
- What is Galvanometer? Explain its principle, construction and working.
- Definition of Galvanometer and Working Principle of galvanometer
- How can we Measure of angle of deflection?
- Important 12th class physics chapter 14 exercise solutions for Intermediate part-II students.
- What is Current sensitivity of galvanometer and the factors upon which it depends.
- Sensitivity of galvanometer can be increased by.
- Suppose that a charge q is moving in a uniform magnetic field with a
velocity V. Why is there no work done by the magnetic force that acts on the
charge q?
- Important 12th physics chapter 3 notes for Intermediate part-II students.
- If a charged particle moves in a straight line through some region of
space, can you say that the magnetic field in the region is zero?
- Why does the picture on a TV screen become distorted when a magnet is
brought near the screen?
- Important 12th class physics chapter 3 exercise for Intermediate part-II students.
- Is it possible to orient a current loop in a uniform magnetic field such that
the loop will not tend to rotate? Explain.
- How can a current loop be used to determine the presence of a magnetic
field in a given region of space?
- How can you use a magnetic field to separate isotopes of chemical
element?
- Important 12th physics chapter 3 exercise for Intermediate part-II students.
- What should be the orientation of a current carrying coil in a magnetic
field so that torque acting upon the coil is (a) maximum (b) minimum?
- A loop of wire is suspended between the poles of a magnet with its plane
parallel to the pole faces. What happens if a direct current is put through the
coil? What happens if an alternating current is used instead?
- Important 12th physics chapter 3 important questions for Intermediate part-II students.
- Why the resistance of an ammeter should be very low?
- Why the voltmeter should have a very high resistance?
- Find the value of the magnetic field that will cause a maximum force of
7.0 x 10^-3N on a 20.0cm straight wire carrying a current of 10.0A.
- How fast must a proton move in a magnetic field of 2.50 x 10^-3 T such that
the magnetic force is equal to its weight?
- A velocity selector has a magnetic field of 0.30T. If a perpendicular
electric field of 10,000 Vm^-1 is applied, what will be the speed of the particle
that will pass through the selector?
- A coil of 0.1m 0.01m and of 200 turns carrying a current of 1.0mA is
placed in a uniform magnetic field of 0.1T. Calculate the maximum torque that
acts on the coil.
- A power line 10.0m high carries a current 200A. Find the magnetic field
of the wire at the ground.
- You are asked to design a solenoid that will give a magnetic field of
0.10T, yet the current must not exceed 10.0A.Find the number of turns per unit
length that the solenoid should have.
- What current should pass through a solenoid that is 0.5m long with
10,000 turns of copper wire so that it will have a magnetic field of 0.4T?