A NPN transistor conducts when

Both collector and emitter are positive with respect to the base

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Collector is positive and emitter is negative with respect to the base

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Collector is positive and emitter is at same potential as the base

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both collector and emitter are negative with respect to the base

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Collector is positive and emitter is negative with respect to the base

Suggest Corrections

Similar questions

n-p-n transistor has three leads A, B and C.
Connecting B and C by moist fingers, A to the
positive lead of an ammeter, and C to the
negative lead of the ammeter, one finds large
deflection. Then, A, B and C refer respectively
to :
(1) Emitter, base and collector
(2) Base, emitter and collector
(3) Base, collector and emitter
(4) Collector, emitter and base.

Q. The emitter is more positive with respect to the base and also with respect to the collector in

Q. An incomplete sentence about transistors is given below:
The emitter−..... junction is __ and the collector−..... junction is __. The appropriate words for the dotted empty positions are, respectively,
(a) 'collector' and 'base'
(b) 'base' and 'emitter'
(c) 'collector' and 'emitter'
(d) 'base' and 'base'.

Q. In an NPN transistor circuit, the collector current is

10 mA

. If

90 %

of the electrons emitted reach the collector, the emitter current

(I_{E})

and base current

(I_{B})

respectively are

Q. For transistor action, state which statements are true:
(1) Base, emitter and collector regions should have similar size and doping concentrations.
(2) The base region must be very thin and lightly doped.
(3) The emitter-base junction is forward biased and base-collector junction is reverse biased
(4) Both the emitter-base junction as well as the base-collector junction are forward biased

Join BYJU'S Learning Program