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Ammeter has higher resistance . You might hv read that ammeter is formed by connecting a shunt resistance parallel to the galvanometer.it is explained on the basis of relation we get there for finding shunt resistance , not by ohm's law.
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But as far as my knowledge goes, (no doubt it is limited), magnetic field lines also do not intersect. Forming closed loops do not mean dat they intersect.
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In short we can say dat AC current has skin effect. It flows on the outer regions of wire also and wires are covered with non conducting material but in case of DC, no skin effect is there and as they have written above dat it is attractive in nature.
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For chemistry... The energy values for the orbitals are of d form : ns np (n-1)d (n-2)f.
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gr8 work...Thanx 4 d tips...!!!!
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A unit vector is obtained by dividing the vector by its magnitude. its mag. is one and has a particular direction.
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I am reading first time that light needs a medium to travel. I have read that sound needs a medium to travel.But never read this thing about light.Are you sure that it needs a medium to travel..
From what i have read light can travel through vaccum.
I may be wrong . Can someone explain it accurately...
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The centrifugal force is not a real force. For an observer rotating with the particle, the particle is at rest.Only to such an observer the net force on the particle is zero and the particle appears at rest. This force arises only bcoz of non-inertial nature of the accelerating observer himself. For an inertial observer there is no such force as the centrifugal force.
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Pressure equals force upon area.So it should be a vector qty coz force is a vector qty.But it is not so.
You must have read pascal's law. Pressure is distributed equally in all directions . So there is not any sense of direction. Due to this equal apportion of pressure, there is not any particular direction.So, pressure is considered a scalar qty.
CHEERs......
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its really very motivating...
thanx...
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Its really a motivating video.......
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GREAT JOB!!!!
ITS AWESOME....
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Essential requirements to make your personality felt :
(a) You will be asked 'questions'.Not the right word. The board makes 'statements' and the candidate 'responds'. If they are on areas about which you are ignorant, do not get perturbed. The board always searches for the areas known to you so that they can make you converse with them.
(b) Keenly follow what is asked of you. You must be extremely alert while listening to the board members. While responding to statements, you may re-use a couple of words used in the statement by the board.
(c) Never make any categorical statement or express strong views on any of the current happenings. You should always preface or bring in expressions like : " as far as my knowledge goes" , "personally i think" , " from what i have read" , etc.
(d) Always make an attempt to break the 'question/statement' into its constituent parts and then proceed analytically. If you are not able to tackle all the parts, you can frankly express your inability to do justice to some part of the question.
(e) Be cool and calm as far as you can. You should pleasant in appearances particularly when you are not able to tackle a question. Poise and grit are the most important requirements of an administrator.
(f) Do not blurt out your answer , although you already know how to handle the question. Give yourself three to four seconds to arrange your ideas before you open the mouth.
Areas generally covered by the interview board are :
(a) Every detail in application form including the meaning of your surname.
(b) Today's issue of interest , primarily national.
(c) Good knowledge of one's own state and distt.
(d) Whenever required, you may have to bring into focus the knowledge of your specialised field of study while talking on current problems.
(e) Also be prepared for probing questions on your own special field of study , including the papers that you have offered for the main examination -only the fundamentals of the subjects studied; momentous developments of today, if any; and a lively panoramic grasp of the optional subjects.
During personality test, speak only truth and nothing but the truth.
Source - CSR
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THANX A LOT FRIENDS FOR YOUR COMMENTS.
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Why should you revise?
You cannot expect to remember all the Physics that you have studied unless you revise. It is important to review all your course, so that you can answer the examination questions.
Where should you revise?
In a quiet room, with a table and a clock. The room should be brightly lighted to protect the eyes from strain. A reading lamp on the table helps you to concentrate on your work and reduces eye-strain.
When should you revise?
Start your revision early each evening, before your brain gets tired.
How should you revise?
If you sit down to revise without thinking of a definite finishing time, you will find that your learning efficiency falls lower and lower and lower.
If you sit down to revise, saying to yourself that you will definitely stop work after three hours, then your learning efficiency falls at the beginning but rises towards the end as your brain realises it is coming to the end of the session.
To work more efficiently, divide the three hours duration into three shorter sessions, each of about 50 minutes with shoRt planned breaks between them. The breaks must be planned beforehand.
If you start your revision at 6:00 p.m. , you should look at your clock or watch and say to yourself, "I will work until 7:00 p.m. , and then stop-not earlier not later."
At 7:00 p.m. , you should leave the table for a relaxation break of ten minutes(or less), returning by 7:10 p.m. , when you should say to yourself-"I will work until 8:10 p.m. , and then stop-not earlier not later."But this does not mean that you will spend your 50 minutes(study time) looking at the watch and waiting for the time when your relaxation period will start.For these 50 minutes, you have to spend your whole energy in understanding Physics problems and not in cramming the answers of questions. It would be better if we would study to gain the knowledge rather than studying(or cramming) from examination point of view.
Continuing in this way is more efficient and causes less strain on you. You get through more work and you feel less tired.Also it would be better to revise daily instead of cover a lot of reading material once a week.
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Why should you revise?
You cannot expect to remember all the Physics that you have studied unless you revise. It is important to review all your course, so that you can answer the examination questions.
Where should you revise?
In a quiet room, with a table and a clock. The room should be brightly lighted to protect the eyes from strain. A reading lamp on the table helps you to concentrate on your work and reduces eye-strain.
When should you revise?
Start your revision early each evening, before your brain gets tired.
How should you revise?
If you sit down to revise without thinking of a definite finishing time, you will find that your learning efficiency falls lower and lower and lower.
If you sit down to revise, saying to yourself that you will definitely stop work after three hours, then your learning efficiency falls at the beginning but rises towards the end as your brain realises it is coming to the end of the session.
To work more efficiently, divide the three hours duration into three shorter sessions, each of about 50 minutes with shoRt planned breaks between them. The breaks must be planned beforehand.
If you start your revision at 6:00 p.m. , you should look at your clock or watch and say to yourself, "I will work until 7:00 p.m. , and then stop-not earlier not later."
At 7:00 p.m. , you should leave the table for a relaxation break of ten minutes(or less), returning by 7:10 p.m. , when you should say to yourself-"I will work until 8:10 p.m. , and then stop-not earlier not later."But this does not mean that you will spend your 50 minutes(study time) looking at the watch and waiting for the time when your relaxation period will start.For these 50 minutes, you have to spend your whole energy in understanding Physics problems and not in cramming the answers of questions. It would be better if we would study to gain the knowledge rather than studying(or cramming) from examination point of view.
Continuing in this way is more efficient and causes less strain on you. You get through more work and you feel less tired.Also it would be better to revise daily instead of cover a lot of reading material once a week.
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A is for ATOM which is really small.
B is for BUBBLE CHAMBER where you can see them all.
C is for CHARGE which can be quite shocking.
D is for DIPOLE gives radiation by oscillating.
E is for EINSTEIN who said E=mcsquare
F is for FEYNMAN whose diagrams make me scared.
G is for GRAVITY pulling things down.
H is for HYPERFINE STRUCTURE in hydrogen found.
I is for INERTIA explaining lethargy.
J is for JOULE a unit of energy.
K is for KIRCHOFF'LAWS to get the current right.
L is for LASER a really bright light.
M is for MAXWELL and his cool equations.
N is for NEWTON and his integrations.
O is for OPTICS and all that light biz.
P is for PHYSICIST which is what daddy(mommy) is.
Q is for QUANTUM and fun with Prof. Yao.
R is for RELATIVITY what time is it now?
S is for SEMICONDUCTORS which are really cool.
T is for TRANSISTOR a useful tool.
U is for UNIFIED FIELD THEORY which remains to be found.
V is for VOLTAGE ( Do not forget to ground!)
W is for WAVE with its myriad effects.
X is for X-RAY what else did you expect?
Y is for YOUNG's DOUBLE SLIT EXPERIMENT (What a mouthful).
Z is for ZEEMAN EFFECT and that is all.
Source- Modern's physics.
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VERY USEFUL FOR ALL STUDENTS..
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