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  • 2 answers
R1÷R2=R3÷R4

Ankit Jain 7 years, 11 months ago

Galvanometer show null deflection
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Snigdha Sagar 7 years, 11 months ago

Mobility is defined as drift velocity per unit electric field.SI unit is metre square/volt swcond

Manish Rajvansh 7 years, 11 months ago

Mobility is the ratio of drift velocity and electric field
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Ankit Jain 7 years, 11 months ago

Having light mass &cannot be moving with high speed

Abhishek Tomar 7 years, 11 months ago

Negative charge and lighter then proton
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Sudhanshu Saumya 7 years, 11 months ago

It's defined as every particle in motion shows wave character also like every wave shows particle nature. β(de brogile wavelength) = h/mv

Aastha Singh 7 years, 11 months ago

It is a wavelength which is manifested in all the particles in quantum mechanics according to wave particles duality and it determine the probability density of find the object at a given point of the configuration space It is inversely proportional to particle momentum. Hope it helps..
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Ankit Jain 7 years, 11 months ago

Yes due to electrostatic force is a vector quantity

Sonal Nivsarkar 7 years, 11 months ago

Yes
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Sudhanshu Saumya 7 years, 11 months ago

We get n type semiconductor As doping germanium with arsenic will result in presence of extra electrons Ge has four valence electrons whereas As has five valence electrons When germanium is doped with arsenic then all the four electrons of Ge forms covalent bonds with four electons of As so one electron of As is free hence it acts as conducting electrons
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Soujanya Sobarad 7 years, 11 months ago

By practicing the ans & by practicing derivations daily u can score ?
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Sudhanshu Saumya 7 years, 11 months ago

Assume a cylindrical Gaussian surface passing through the infinite plane sheet. Now apply Gauss law for 2 plane surfaces and a curved surface. U will find that for the curved surface E is 0. For 2 plane surfaces which are on the opposite sides of plane sheet E•A + E•A=βA/ε0 (assume β to be charge density of the plane sheet) Which gives E= β/(2*ε0) With figure it was better to understand
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Kamal Singh Rawat 7 years, 11 months ago

Search 'exam fear.com' on you tube
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Ruchika Gupta 7 years, 11 months ago

The graph between applied voltage and current is called V-I graph.
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Nitin Murali 7 years, 11 months ago

The perpendicular distance between the initial velocity vector of the alpha particle and the Centre of the nucleus is impact parameter
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Kamal Singh Rawat 7 years, 11 months ago

The amount of current flow x time called charge. Same charges repel each other and opposite charges attract each other. Charge neither created or nor destroyed in an isolated system
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Kamal Singh Rawat 7 years, 11 months ago

Because Cu is easily heat up due to their high resistance.
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Nitin Murali 7 years, 11 months ago

Ac power supply works well with high voltages and can be stepped up and down more easily than DC
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Kushal Jharwal 7 years, 11 months ago

The railway carriage works as an electric screen. The electric field inside the carriage is zero and any change form outside in electric field cannot enter the carriage. Hence the electromagnetic signals do not find their entry in the railway carriage . Due to it , the transistor does not work in railway carriage
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Kushal Jharwal 7 years, 11 months ago

At room temperature, some electrons in the valence band acquire thermal energy greater than energy band gap less than 3eV and jump over to the conduction band where they are free to move under the influence of even small electric field. Thus , the semiconductor acquires small conductivity at room temperature. So the resistance of semiconductor would not be as high as that of insulator

Sakshi Rai 7 years, 11 months ago

Kyoki semiconducters m1 2 unpaired ekectron hote h..inme energygape insulater se thoda kam hota h...

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