Transcription of Physics Laboratory Manual (312)
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Physics Laboratory Manual (312)
Senior Secondary CoursePhysics Laboratory Manual (312)Course CoordinatorDr. Alok Kumar GuptaNATIONAL INSTITUTE OF OPEN SCHOOLING(An autonomous organisation under MHRD, Govt. of India)A-24-25, Institutional Area, Sector-62, NOIDA-201309 ( )Website: , Toll Free No. 18001809393 ADVISORY COMMITTEEDr. Sitansu S. JenaDr. Kuldeep AgarwalDr. Rachna BhatiaChairmanDirector (Academic)Assistant Director (Academic)NIOS, NOIDA (UP)NIOS, NOIDA (UP)NIOS, NOIDA (UP)CURRICULUM COMMITTEECHAIRMANProf. C. K. GhoshDirector, National Centre for Innovationsin Distance Education (NCIDE)IGNOU, DelhiMEMBERSri Puran ChandProf. B. K. SharmaSri R. P. SharmaSri Kanhaiya LalJoint Secretary, COBSERetd Professor ( Physics ),Education Officer (Retd.),Principal (Retd)New Delhi-110034 DESM, NCERT, New DelhiCBSE, New Delhi-110002 Dir.
27. To draw the characteristics of an npn transistor in common emitter mode. From the characteristics find out (i) the current gain (β) of the transistor and (ii) the voltage gain A V with a load resistances of 1k Ω. 28. To draw the lines of force due to a bar magnet keep (i) N-pole pointing to north (ii) N-pole pointing to South.
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