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What is active region for transistor? (A) Active region is that region in which emitter base junction is forward bias while collector base junction is also forward bias (B) Active region is that region in which emitter base junction is forward bias while collector base junction is reverse bias (C) Active region is that region in which emitter base junction is reverse bias while collector base junction is reverse bias (D) Active region is that region in which emitter base junction is reverse bias while collector base junction is forward bias

Active region is that region in which emitter base junction is forward bias while collector base junction is reverse bias A three terminal... View Article

A silvery-white metal X taken in the form of ribbon, when ignited, burns in air with a dazzling white flame to form a white powder Y. When water is added to powder Y, it dissolves partially to form another substance Z. (a) What could metal X be? (b) What is powder Y? (c) With which substance metal X combines to form powder Y? (d) What is substance Z? Name one domestic use of substance Z. (e) Write a balanced chemical equation of the reaction which takes place When metal X burns in air to form powder Y.

(a) Metal X is Magnesium, Mg. (b) Powder Y is Magnesium oxide, MgO (c) The substance with which the metal X combines to form powder Y is Oxygen... View Article