12th Standard Syllabus & Materials
12th Standard
TN 12th English Poem - 6 - Incident of the French Camp Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 6 - On the Rule of the Road Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 5 - The Chair Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Supplementary - 4 - The Midnight Visitor Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Poem - 4 - Ulysses Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 4 - The Summit Sample Question Papers Study Material - QB365 Set A
Published on: 13/05/2022
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every Creative questions with solution.
Download Tamil Nadu 12th Standard Physics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Physics Test1.
The magnetic field lines prefer to pass through iron than why?
2.
What is magnetic Lorentz force?
3.
In what way is the behaviour of a diamagnetic material different from that of a paramagnetic when kept in an external magnetic field?
4.
State the factors on which the current sensitivity of a galvanometer is increased.
5.
Define Voltage sensitivity?
1.
The magnetic field lines prefer to pass through iron than because the permeability of iron is much larger than air.
2.
The material having +ve and small susceptibility is paramagnetic material.
(i) They have a tendency to move from weaker to stranger parts of the field.
(ii) Susceptibility is inversely proportional to the temperature.
3.
A diamagnetic substance would move towards the weaker region of the field while a paramagnetic substance would move towards the stronger region.
4.
(i) The number of turns N.
(ii) The magnetic induction B.
(iii) The area of coil A.
5.
It is defined as the deflection produced per unit voltage applied across the galvanometer.
Vs =\(\frac { \theta }{ V } \)
Vs = \(\frac { \theta }{ IR_{ g } } =\frac { NAB }{ KR_{ g } } =V_{ s }=\frac { 1 }{ GR_{ g } } =\frac { { I }_{ s } }{ { R }_{ g } } \)
12th Standard Syllabus & Materials
12th Standard
TN 12th English Supplementary - 3 - The Hour of Truth (Play) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Poem - 3 - All the World’s a Stage Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 3 - In Celebration of Being Alive Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Supplementary - 2 - Life of Pi Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
