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CBSE XII Science - Physics

Why  LED is used in forward bias only ? Explain.

Asked by saroha73 | 22nd Oct, 2019, 01:05: PM

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CBSE XII Science - Physics

Does a LC circuit exists? If yes,then by formula (tan of phase angle=reactance of inductor - reactance of capacitor/R)   what is the value of tan phase angle??

Asked by lovemaan5500 | 22nd Oct, 2019, 06:05: AM

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CBSE XII Science - Physics

There is a inductor connected with voltage 10V. AC volt 50Hz such that the current flowing in the inductor is 0.1A. The phase angle between current and voltage is 60°. Find impedance, resistance, and inductance of conductor. 

Asked by sharmujjwal00 | 17th Oct, 2019, 06:59: AM

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CBSE XII Science - Physics

Please explain the solution of this problem

Asked by Sumantarout.200 | 16th Oct, 2019, 09:55: PM

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CBSE XII Science - Physics

What is the electric field flux through the base of a cube from a point charge infinitesimally close to a vertex?

Asked by Swarnali | 16th Oct, 2019, 07:28: PM

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CBSE XII Science - Mathematics

Lim        x--> 1    (x-1)/log x

Asked by Shaikhshikha25 | 15th Oct, 2019, 12:09: PM

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CBSE XII Science - Chemistry

What happens when methyl chloride is treated with Na in presence of dry ether?

Asked by hrishikesh07092002 | 13th Oct, 2019, 10:23: PM

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CBSE XII Science - Physics

What is the centre of mass of the following:- 1. Pyramid 2. Regular hexagon

Asked by rushabhjain.av | 13th Oct, 2019, 07:26: PM

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CBSE XII Science - Physics

If any electric field exists in the conductor ,it would produce ordered motion of electrons without expense of external energy.This violates law of conservation of energy.PLEASE EXPLAIN THESE LINES

Asked by govtsecschoolnayaganv051 | 13th Oct, 2019, 07:55: AM

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CBSE XII Science - Biology

Is there any limitations of dihybrid cross?

Asked by mesweetayushigupta | 13th Oct, 2019, 01:01: AM

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