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Define-modulator and demodulator

Posted by Simran Kandhola 8 years ago

CBSE > Class 12 > Physics

1 answers

Amit Kumar 8 years ago

Both are device Modulation : superimposing modulating wave with careir wave for its propagation. ....

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Are mera atoms nuclie nhi hua achhe se.....Unke imp topics h kuch ya imp chapter nhi h??

Posted by Siddharth Khandelwal 8 years ago

CBSE > Class 12 > Physics

0 answers

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What is the application of Kirchhoff's law?

Posted by Fulmani Xalxo 8 years ago

CBSE > Class 12 > Physics

2 answers

Amit Kumar 8 years ago

To find V and I in complex circuit.

Harshit Tyagi 8 years ago

Potentiometer,meter bridge

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All important topics that have more chances to come in exam..... Please tell ... It will be very helpful..... I will surely prepare that topic ? Kar do comment topic k saath.... Taki pass ho jau m

Posted by Lalit Maan 8 years ago

CBSE > Class 12 > Physics

5 answers

Debleena Bose 8 years ago

Working principle of potentiometer huygens principle, electric field due to dipole

Harshit Tyagi 8 years ago

Mr gya k ib ...bera ni qsn bujh k kha bhaj gya

Harshit Tyagi 8 years ago

Or btau ya bhatera h...?

Harshit Tyagi 8 years ago

Gauss theorem ,series lcr circuit in resonance,mutual induction

Lalit Maan 8 years ago

Katil duniya ? kuch nahi batati....

ANSWER

Functions of permanent magnet

Posted by Sabita Rai 8 years ago

CBSE > Class 12 > Physics

2 answers

Shraddha Jangid 8 years ago

J Ranjan Parida 8 years ago

90%nhi lana h kya tujhe

ANSWER

Derive the mirror formula.

Posted by Niharika Srivastava 8 years ago

CBSE > Class 12 > Physics

3 answers

Sahil Dahiya 8 years ago

Okz

Sahil Dahiya 8 years ago

Net p search krle ya you tube p dekhle

Sahil Dahiya 8 years ago

Bhaut bada h

ANSWER

Colour coding of resistors par question aa sakta ha kk?

Posted by Lalit Maan 8 years ago

CBSE > Class 12 > Physics

3 answers

Debleena Bose 8 years ago

Afzana Salam 8 years ago

Yes

Anuj Chaudhary 8 years ago

ANSWER

How i can paas in my examination

Posted by Shrestha Sharma 8 years ago

CBSE > Class 12 > Physics

2 answers

Afzana Salam 8 years ago

It has a way

Lalit Maan 8 years ago

Tu bata de... Muze be kuch nahi aata

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Is there anyone who can study with me over phone.... If yes please type yes i will drop my number

Posted by Shubham Vardhan 8 years ago

CBSE > Class 12 > Physics

1 answers

Lalit Maan 8 years ago

ANSWER

Define snell's law on the basis of Hygen's wave theory

Posted by Sumi Shrivastava 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Describe radio wave propagation via ground wave space wave and sky wave

Posted by Ganchand Rai 8 years ago

CBSE > Class 12 > Physics

0 answers

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State amper circuit law and apply it to find the magnetiv field (a) inside a current carrying solenoid (b) inside a current carrying toroid

Posted by Nitin Damor 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Principle of capacitor

Posted by D Sg 8 years ago

CBSE > Class 12 > Physics

1 answers

Hritika Aryaa 8 years ago

The capacitance of a insulated conductor is considerably increased when we place an earthed conductor near it

ANSWER

Define inductive reactance and show that when ac circuit contain only inductor, the V lead by I by π/2 .

Posted by Devraj Indoliya 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Is. Cyclotron part of syllabus

Posted by Kristina Sarang 8 years ago

CBSE > Class 12 > Physics

2 answers

Afzana Salam 8 years ago

Yes

Sagar Singh 8 years ago

ANSWER

Paper sple aayega

Posted by Sagar Singh 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Limitation of ohm law

Posted by Xyz Xyz 8 years ago

CBSE > Class 12 > Physics

2 answers

Xyz Xyz 8 years ago

Majak mat karo plz batado

Afzana Salam 8 years ago

*electric charge must be a point charge *Must be at rest *Seperation between the charges must be greater than 10^-15

ANSWER

Name the phenomenan which shows the quantum nature of electromagnetic radiation

Posted by Nikhil Thakur 8 years ago

CBSE > Class 12 > Physics

1 answers

Amit Kumar 8 years ago

Photoelectric effects n Compton effect

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Define drift velocity and derive an expression for it

Posted by Palak Rajput 8 years ago

CBSE > Class 12 > Physics

1 answers

Amit Kumar 8 years ago

The average velocity with which an electron is drifted towards the positive terminal of the battery in the presence of an electric field.

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What is Q factor? ???in terms of bandwidth

Posted by Amit Kumar 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is electrostatic shielding ???

Posted by Rhitika Rai 8 years ago

CBSE > Class 12 > Physics

1 answers

Afzana Salam 8 years ago

The phenomenon of making a region free from electric field is called electrostatic shielding

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Exam dene जाने से पहले मोदीजी का exam warriors सुन लेना... Exam mst jayega

Posted by Boss Ki Dahsat 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

P-n diode as rectifier (working)?

Posted by Afzana Salam 8 years ago

CBSE > Class 12 > Physics

2 answers

Sagar Singh 8 years ago

Nahi puchenge

Sagar Singh 8 years ago

Very simple

ANSWER

What is the self inductance

Posted by Rajat Kumar 8 years ago

CBSE > Class 12 > Physics

1 answers

Sagar Singh 8 years ago

Refer to ncert

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Relation between magnetic supectibility and magnetic permeability....

Posted by D Sibbal 8 years ago

CBSE > Class 12 > Physics

1 answers

Amit Kumar 8 years ago

Susceptibility i s one more than permeability

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What is depletion layer and how it form

Posted by Payal Rai 8 years ago

CBSE > Class 12 > Physics

3 answers

Sagar Singh 8 years ago

Galat h kya

Artika Shukla 8 years ago

Hye payal

Sagar Singh 8 years ago

It is formed due to movement of e from n region to p region

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Three rays of light red(R) ,green(G) and blue(B) are incident on the surface of a right angled prism normally on its perpendicular.The refractive indices for the material of tha prism for red,green and blue are 1.39,1.43,1.47 respectively.Trace the path of the rays through the prism.How will the situation change if the rays were falling normally on one of the faces of an equilateral prism?

Posted by Sagar Singh 8 years ago

CBSE > Class 12 > Physics

0 answers

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Charging current for capacitor is 0.25 .what is the displacement current??

Posted by Kiran Sona 8 years ago

CBSE > Class 12 > Physics

2 answers

Kristina Sarang 8 years ago

How

Amit Kumar 8 years ago

0.25 unit