Current Electricity and Electrical InstrumentHard
Question
In an n-p-n transistor (in common emitter mode) 1010 electrons enter the emitter in 10-6 sec. Only 2% of the electrons are lost in the base. Calculate the base current. Charge on electron is 1.6 × 10-19 C.
Options
A.0.032mA
B.0.32mA
C.3.2mA
D.32mA
Solution
Ie = 
= 1.6 × 10-3 A
Ib =
× 1.6 × 10-3 = 0.032 mA
= 1.6 × 10-3 AIb =
× 1.6 × 10-3 = 0.032 mACreate a free account to view solution
View Solution FreeTopic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
An open knife edge of mass ′m′ is dropped from a height ′h′ on a wooden floor. If the blade pene...In the circuit shown in figure....An apparatus is connected to an ideal battery as shown in figure. For what value of current, power delivered to the appa...Suppose the drift velocity υd in a material varied with the applied electric field E as υd ∝ √E ...Capacitor C1 of capacitance 1μF and capacitor C2 of capacitance 2μF are separately charged fully by a common b...