NEXT TOPPER INSTITUTE FOR JEE ,NEET, CBSE

VIDEO AND DEFINITION GIVEN BELOW WHAT IS REPRODUCTION : Reproduction is the process by which living    organisms  produce new individuals of the same species. Reproduction is not necessary to maintain the life of an organism but is necessary for life on earth  and increase in the population of a species. If organisms do not  reproduce, their population decreases and species will  become extinct.

MOTI LAL NEHRU PUBLIC SCHOOL INTRODUCTION OF ELECTRIC CURRENT .  

NEXT TOP PER INSTITUTE Dpp current questions 1.      1.  How many electrons per second flow through the cross sectional of a conductor so that the conductor carries a current of 1 ampere? a.      6.00 x 10 16 /sec       b.       6.00 x 10 17 /sec          c.        6.00 x 10 19 /sec     d.  6.25 x 10 18 /sec .       2.     2.   In a discharge tube the number of hydrogen ions drifting across a cross section per second is 1.0 X 10 18 , while the number of electrons drifting in opposite direction across that of cross section is 2.7 x 10 18  per second . calculate the total current crossing the given cross section . a.        0.6 A                        ...