Home
Class 12
PHYSICS
Assertion: When base region has large wi...

Assertion: When base region has large width, the collector current increases.
Reason: Electron hole combination in base result in increase of base current.

A

If both Assetion & Reason are true and the reason is the not the correct explanation of the assertion , then mark (1)

B

if both Assertion & Reason are true but the reason is not the correct explanation of the assertion ,then mark (2)

C

If Assertion is true statement but reason is false, then mark (3).

D

If both Assertion and reason are false statements, then mark (4)

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment section -C (Previous years type question)|110 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - D)|16 Videos
  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-D (Assertion and reason))|5 Videos

Similar Questions

Explore conceptually related problems

Assertion : When baseregion has larger width, the collector current increases. Reason : : Electron hole combination in base result in increase of base current.

When filament current is increased

In an NPN transistor the collector current is 24 mA . If 80% of electrons reach collector it base current in mA is

Assertion : When electron and holes combine then this reaction is exothermic . Reason : Hole electron can not combine.

Assertion : When temperature of a conductor is increased, its resistance increases. Reason : Free electrons collide more frequently.

In a n-p-n transister circuit the collector current is 9 mA . If 90% of the electrons emitted reach the collector, find emitter current and base current

Assertion: Reduction factor (K) of a tangent galvanometer helps in reduction to current. Reason: Reduction factor increases with increase of current.

In n-p-n transistor circuit, the collector current is 10 mA . If 90% of the holes reach the collector, find emitter and base currents.

Assertion : A laminated core is used in transformers to increase eddy currents. Reason : The efficiency of a transformer increases with increase in eddy currents.

Assertion : Photodiode current work in reverse bias. Reason : Change in diode increases with increase in intensity .