CBSE > Class 12 > Physics | CBSE Board | Homework Help

At first read the theory carefully then you start the numerical. First start with very easy numerical then you do hard. . On doing this concept is developed. ..

2Thank You

Killer Gupta 7 years, 3 months ago

I also week so i also want a suggestion friend

0Thank You

ANSWER

What is eddy current? Explain his application.

Posted by Rahul Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

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How we study physics to get good marks in 12th cbse board exam 2019

Posted by Utsav Anand 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Sakshi Jadhav 7 years, 3 months ago

try to solve more numericals because in theory we can score but numerical is tough one

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How to draw electric Equivalent circuit to find out the equivalent Capacitance.?

Posted by Prashant Kumar 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

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Potential energyof a dipolein an external field

Posted by Babita Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Manan Bedi 7 years, 3 months ago

PE(cos theta 1-cos theta 2)

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Can the potential function have a maximum or minimum in free space?

Posted by Rohan Mehta 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

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Prove that a closed equipotential surface with no charge within itself must enclose an equipotential volume.

Posted by Rohan Mehta 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What means super position principle

Posted by Vikash Kumar Paswan 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Suryansh Jain 7 years, 3 months ago

In simple...Force between two charges cannot get disturbed by the presence of any 3rd charge or more

0Thank You

Killer Gupta 7 years, 3 months ago

When many forces are act on a system then its resultant is all vector sum of forces

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Ak charge body h jispA 10c charge h...uska ak neutral charge body ko touch keya batawo neutral charge body pa kitna charge aaya

Posted by Abhisaxy Chandrashekhar 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Saurav Kumar 7 years, 3 months ago

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how to find direction by lenz law

Posted by Mayank Goel 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

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Electrostatics Can you explain equipotential surface with a numerical type example

Posted by Saurav Gupta 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Point charges having value 10mc,20mc,-20mc are placed in air at the corner ABC having each side equal to 10cm .Find the resultant force on charge at A.

Posted by Spandhu Spandhu 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

If 2×10×20electrons pass through a lane in 1minute what is the current in mili ampier

Posted by Paro Kumari 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Xyz Pqr 7 years, 3 months ago

1.06 ×10^-14

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What is densee

Posted by Mukesh Sheotra 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

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A car is moving with 4km per hour and another car moving with 2km per hour what is average speed

Posted by Yogesh Verma 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Dishank Sahu 7 years, 3 months ago

3 km/h

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Write any one similarity between Biot savart's law and coulomb's law

Posted by Tanu Tanu 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Vivek Kumar 7 years, 3 months ago

Both are inversely proportional to the square of the distance from the source and point of observation. Both obey superposition principal

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Find energy stored in a capacitor and what will be the energy density of a capacitor

Posted by Tanu Tanu 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Four resistancesof 3ohm,3ohm,3ohm and 4ohm respectively are used to form a wheatstone bridge.The 4 ohm resistance is short circuited with a resistance R in order to get bridge balanced.The value of R wii be (a) 10 ohm (b)11ohm (c)12ohm (d)13

Posted by Simar Arora 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Is derivations also comes in board exams?

Posted by Suryansh Jain 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Suryansh Jain 7 years, 3 months ago

In physics??

0Thank You

Pragyadev Singh Rathore 7 years, 3 months ago

Yes, it comes with i think at least 4 Mark question

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Two non-conducting sphere of radius r have charge q uniformly distributed the centre of sphere are x=0, x=3r, so find the magnitude and direction of net electric field on the x axis

Posted by Satyam Sahu 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Draw graph showing variation of the photoelectric current with applied voltage for two incident radiation of the equal pension different intense X mark the graph of for the radiation of the high intensity

Posted by Riddhi Gupta 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

ch 3 class 12 -- a conductor has cross section of 15 cmsq and specific resistence temperature of 7.6 uc at 0 degree. if the temperture coffiecient of resistence in ohm per 2 km when its temperature is 50 degree

Posted by Karan Goyal 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

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