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Represent graphically the variation of electric field with distance ,for a uniformly charges plane sheet

Posted by Ayu Ayushi 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Ujjawal Sharma 7 years, 11 months ago

Independent means linearly

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ANSWER

Why we put t=1/Lambda will solving for decay constant

Posted by Shivani Rana 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

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Tell me about mirror formula

Posted by Priya Ranjan 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Aastha Singh 7 years, 11 months ago

1/f=1/v+1/u

3Thank You

ANSWER

What is impedance

Posted by Baldev Raj 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Aastha Singh 7 years, 11 months ago

The effective resistance of an electric circuit or component to AC current arising from the combined effect of ohmic resistance and reactance. It is denoted by Z.

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Is topic 'The rainbow' in our course

Posted by Prince Soni 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Mantu Shukla 7 years, 11 months ago

1Thank You

ANSWER

Ferromagnetic material ?

Posted by Sourabh Joshi 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Sanat Zehra 7 years, 11 months ago

Strongly attract by magnetic field

1Thank You

ANSWER

Formula of force

Posted by Lavleshkumaryadav Yadav 7 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

Sushmita Mishra 7 years, 11 months ago

(q1× q2)/ 4πu. R^2

0Thank You

Sourabh Joshi 7 years, 11 months ago

F=ma

2Thank You

ANSWER

Why iron core is lamented in transformer

Posted by Anu Pradhan 7 years, 11 months ago

CBSE > Class 12 > Physics

3 answers

Ujjawal Sharma 7 years, 11 months ago

To reduce Eddy currents

0Thank You

Prateek Kumar Devnani 7 years, 11 months ago

To reduce production of eddy currents in it.

1Thank You

Ankit Gaur 7 years, 11 months ago

For better flux linking..

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From where does existing energy came from??

Posted by Amit Singh 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Electromagnetic wave have momentum prove that?

Posted by Arpitansh Chaudhary 7 years, 11 months ago

CBSE > Class 12 > Physics

6 answers

Arpitansh Chaudhary 7 years, 9 months ago

????

0Thank You

Ujjawal Sharma 7 years, 11 months ago

Sunlight is very good example because your and feel heat energy who've provide momentum

1Thank You

Deepanshu E 7 years, 11 months ago

If we put a object in its path it will start moving because the electromagnetic transfer their momentum in that object

0Thank You

Neeky Aria 7 years, 11 months ago

0Thank You

Amit Singh 7 years, 11 months ago

Why no??

1Thank You

Shivani Roy 7 years, 11 months ago

1Thank You

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Why is copper used as potentiometer wire

Posted by Nitin Murali 7 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

Ujjawal Sharma 7 years, 11 months ago

Yaa, magnin wire use because it have low dependency on temperature and resistivity

1Thank You

Arpitansh Chaudhary 7 years, 11 months ago

Copper wire not use in potientiometer device......magnine wire are use in potientiometer device

1Thank You

ANSWER

What is the effect on interference fringe in a young double slit experiment due to the separation between the two slit is increased

Posted by Bhawna Jaiswal 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Prateek Kumar Devnani 7 years, 11 months ago

It will decrease

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ANSWER

define magnetic flux

Posted by Rampal Kr 7 years, 11 months ago

CBSE > Class 12 > Physics

4 answers

Aastha Singh 7 years, 11 months ago

No.of magnetic line of forces held with closed surface area inside the magnetic field. Magnetic flux= B.A S.I unit is weber

1Thank You

Amit Singh 7 years, 11 months ago

No. Of field lines passing through surface perpendicularly

1Thank You

Kamal Singh Rawat 7 years, 11 months ago

The no of magnetic field lines pass through that surface

3Thank You

Ankur Singh 7 years, 11 months ago

No. Of mangnetic field lines passing through a plane

2Thank You

ANSWER

How can i understand more of this subject....its really tough especially calculation.This is an outside text question but please consider it for me :):)

Posted by Eric Gangte 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is sollenoid

Posted by Abdul Samad 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Kamal Singh Rawat 7 years, 11 months ago

A solenoid is tightly bound various no of coil.

1Thank You

ANSWER

Why resistance increase in joining two wires in series and decrease on joining them in parallel.

Posted by Bhupender Bhupi 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Kamal Singh Rawat 7 years, 11 months ago

In series R=R1+R2+... Rn so resistance is increase. In IIel 1/R=1/R1+1/R2+1/R3+... so resistance is decrease

0Thank You

ANSWER

derive an expression for LCR circuit?

Posted by Rohit Sharma 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Give two causes of energy loss in a transfer

Posted by Sarthak Shrivastav 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Vineit Kumar Gupta 7 years, 11 months ago

Eddy current loss , hyteric curve loss, copper loss;

1Thank You

ANSWER

Why does a prism cause dispersion of light

Posted by Sarthak Shrivastav 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Arpitansh Chaudhary 7 years, 11 months ago

Because of total internal reflection...

1Thank You

ANSWER

With a circuit diagram.explain the action of npn transistor as a switch.

Posted by Soujanya Sobarad 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why is transformer not work on DC current

Posted by Ujjawal Sharma 7 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

Ujjawal Sharma 7 years, 11 months ago

Your answer is right

0Thank You

Kamal Singh Rawat 7 years, 11 months ago

In DC current have only one Direction. Due to this the change in flux does not occur. So induced emf does not produced.

1Thank You

ANSWER

How we increase the sensitivity of potentiometer

Posted by Ujjawal Sharma 7 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

Gudiya Chouhan 7 years, 11 months ago

By increasing radius and length of wire

0Thank You

Vikas Meena 7 years, 11 months ago

By increasing its.length

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ANSWER

When two sodium lamps of same wavelength is used in young'son double slit experiment No interference pattern is observed why?

Posted by Kajal Bhardwaj 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Vineit Kumar Gupta 7 years, 11 months ago

This is because for interfere we need coherent sources and two sources can only be coherent when phase difference between them is same or constant . And frequency is same which is not possible in case of two distinct light sources

1Thank You

ANSWER

2 charge +q and -q are located at point A(0,0,-a) and B(0,0,a)• How much work is done in moving a test charge from (b,0,0) to (-b,0,0)?

Posted by Nidhi Pandey 7 years, 11 months ago

CBSE > Class 12 > Physics