Tamilnadu 12th New Books Free Download Samacheer Kalvi Textbook pdf

Tamil Nadu 12th Standard New Books 2026-27 PDF (Samacheer Kalvi) Download the Tamilnadu 12th new books for 2026-27 in PDF, free. These are the official Samacheer Kalvi 12th standard textbooks prepared by TNSCERT (State Council of Educational Research and Training, Tamil Nadu) and published on tnschools.gov.in/scert-textbook. Every book is listed below by medium, with a … Read more

MCQ ON SPECIAL MACHINES

MCQ ON SPECIAL MACHINES Objective Questions Short notes Objective questions (Answers are given below) A single-stack, 4-phase, 6-pole VR steppermotor will have a step angle of(a) 15º(b) 30º(c) 45º(d) 90º In a three-stack 12/8-pole VR motor, the rotorpole pitch is(a) 15º(b) 30º(c) 45º(d) 60º A three-stack VR stepper motor has a step angleof 10º. What … Read more

BIPOLAR JUNCTION TRANSISTOR

Objective Questions Short notes Objective questions (Answers are given below) The emitter of a transistor is generally dopedthe heaviest because it(a) has to dissipate maximum power(b) has to supply the charge carriers(c) is the first region of the transistor(d) must possess low resistance. For current working of an NPN bipolar junctiontransistor, the different electrodes should … Read more