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State and explain principal of wheat stones

Posted by Khushi Singh 8 years ago

2 answers

Atul Jha 8 years ago

Acc to this principlewhen 4 resistance are arranged in bridge form then if galvanometer shows no deflection then P/Q =R/S

1Thank You

Atul Jha 8 years ago

Very easy

0Thank You

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What is a linear expansion

Posted by Vishesh Sharma 8 years ago

CBSE > Class 12 > Physics

0 answers

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What is solenoid?

Posted by Ayush Tripathi 8 years ago

CBSE > Class 12 > Physics

1 answers

Rishabh Tomar 8 years ago

A cylindrical coil of wire acting as a magnet when carrying electric current

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How to start preparing physics in one month before board??

Posted by Bhavika Rai 8 years ago

CBSE > Class 12 > Physics

0 answers

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Is there is age limit for giving jee main exam

Posted by Ashish Kumar 8 years ago

CBSE > Class 12 > Physics

0 answers

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How is focal length of spherical mirror affected when it is immersed in glycerine

Posted by Rishabh Tomar 8 years ago

CBSE > Class 12 > Physics

0 answers

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How is focal length of

Posted by Rishabh Tomar 8 years ago

CBSE > Class 12 > Physics

0 answers

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If anyone could tell me how should i attempt my paper so that I do not loose any marks for presentation???

Posted by Tamanna Bansal 8 years ago

CBSE > Class 12 > Physics

0 answers

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Momentum

Posted by Sachin Paul 8 years ago

CBSE > Class 12 > Physics

1 answers

Neha Garg 8 years ago

Momentum is the amount of motion contained in the body

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Board paper are not there????

Posted by Aditya Kumar 8 years ago

CBSE > Class 12 > Physics

0 answers

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In jee main which test is much better ....online or offline????

Posted by Isha Jain 8 years ago

CBSE > Class 12 > Physics

2 answers

Neha Garg 8 years ago

Offlinw

0Thank You

Pradum Pandey 8 years ago

Online

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Wave length

Posted by Vipin Kumar 8 years ago

CBSE > Class 12 > Physics

1 answers

Tanuja Biswas 8 years ago

Wavelength is the distance between two consecutive crests or troughs for a tranverse wave or distance between two consecutive compressions or two consecutive rarefactions for a longitudinal wave.

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Why does potential due to Electric field at equitorial point is zero

Posted by Mr Dwarika Nath Pandey 8 years ago

CBSE > Class 12 > Physics

0 answers

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Derive an expression for the energy stored in a parallel plate capacitor.

Posted by Ruman Saifi 8 years ago

CBSE > Class 12 > Physics

0 answers

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PNP transistor

Posted by Hardeep Sangwan 8 years ago

CBSE > Class 12 > Physics

1 answers

Suresh Krishna 8 years ago

In PNP transistor the collector and emitter are p type semi conductor and base is n type semi conductor

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why we use khirchoff law.?

Posted by Princess Aanchal 8 years ago

CBSE > Class 12 > Physics

1 answers

Satwik Dash 8 years ago

To find unknown current flowing through the circuit.

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Why light pass through trasparent medium while it not pass from wood or other traslucent medium?..

Posted by Swapnil Singh 8 years ago

CBSE > Class 12 > Physics

3 answers

Satwik Dash 8 years ago

Density plays a factor.

1Thank You

Manpreet Kaur 8 years ago

Also because wood is an opaque object

1Thank You

Kriti Singh 8 years ago

Bacause the wood has hard surface

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Is eye topic in the syllabus or not? From ray optics

Posted by Yukti Chhikara 8 years ago

CBSE > Class 12 > Physics

2 answers

Siya Bishnoi 8 years ago

0Thank You

Shweta Jaiswal 8 years ago

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What is electromagnetic wave

Posted by Rishabh Tomar 8 years ago

CBSE > Class 12 > Physics

1 answers

Satwik Dash 8 years ago

Waves formed due to the superposition of electric and magnetic waves.

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How does a charge moving in an accelerated motion cause time varying electric field and magnetic field??

Posted by Sanket Sarkar 8 years ago

CBSE > Class 12 > Physics

0 answers

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How many marks can derivation provide me ?

Posted by Pradum Pandey 8 years ago

CBSE > Class 12 > Physics

1 answers

Satwik Dash 8 years ago

Max.6

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From where will i get the solutions of the sample papers

Posted by Subhransu Dehury 8 years ago

CBSE > Class 12 > Physics

0 answers

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Coulomb's law in vector form? Neat and clean proofing for board exam

Posted by Akash Kumar 8 years ago

CBSE > Class 12 > Physics

0 answers

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Hysteresis curve

Posted by Manish Prajapati 8 years ago

CBSE > Class 12 > Physics

0 answers

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Can I have the latest blue print of physics with chapterwise division of marks.....

Posted by Vivek Lohiya 8 years ago

CBSE > Class 12 > Physics

0 answers

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Code one method to create a charge body

Posted by Mansi Sehrawat 8 years ago

CBSE > Class 12 > Physics

1 answers

Tanuja Biswas 8 years ago

Charging can be done by- Conduction and induction. In conduction, one charged body is made to touch a neutral body to make it charged and in induction we charge it without actual physical contact ...for detailed info on how to charge by induction, u cn refer chapter 1 ncert ...u ll get it in initial pages of the chapter

2Thank You

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What is slit

Posted by Shri Gopal Soni 8 years ago

CBSE > Class 12 > Physics

1 answers

Satwik Dash 8 years ago

Its just a small hole.

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Marking scheme chapterwise

Posted by Santhosh Joseph 8 years ago

CBSE > Class 12 > Physics

1 answers

Tanuja Biswas 8 years ago

Electrostats ( both chapters) - 8 marks ; Current electricity - 7 marks ; Magnetic effects of current and magnetism ( both chapters) - 8 marks ; EMI and AC - 8 marks ; EM waves - 3 marks ; Optics ( both chapters) - 14 marks ; Dual nature of radiation and matter - 4 marks ; Atoms and nuclei - 6 marks ; Semiconductors - 7 marks ; Principles of communication - 5 marks.

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What do you mean by an ideal electric dipole

Posted by Suraj Rawat 8 years ago

CBSE > Class 12 > Physics