Home
Class 12
PHYSICS
A transistor is current operated device....

A transistor is current operated device. Explain.

Text Solution

Verified by Experts

The action of a transistor is controlled by the charge carriers (electrons or holes). That is why a transistor is a current operated device.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise ADVANTAGES OF SEMICONDUCTOR DEVICES OVER VACCUM TUBES|3 Videos

  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 1|41 Videos

  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos

  • ELECTROMAGNETISM

    MOTION|Exercise Exercise|136 Videos

  • ELECTROSTATICS

    MOTION|Exercise Exercise -3 Section (B) Previous Year Problems | JEE Main|30 Videos

Similar Questions

Explore conceptually related problems

Transistor is a temperature-sensitive device. Explain.

Is transistor a current controlled or temperature controlled device?

Knowledge Check

  • Assertion: A transistor is a voltage-operating device. Reason: Base current is greater than the collector current.

    A
    If both the assertion and reason are true and reason is a true explantion of the assertion.
    B
    If both the assertion and reason are true but the reason is not true the correct explantion of the assertion.
    C
    If the assertion is true but reason false
    D
    If both the assertion and reason are false.

  • Assertion : A transistor amplifier operates in active region. Reason : In active region transistor characteristic is liner.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but the reason is not the correct explanation of the assertion
    C
    If assertio is true statement but reason is false.
    D
    If both assertion and reason are false statement

  • For a transistor, the current ratio beta_(dc) is defined as the ratio of

    A
    collector current to emitter current.
    B
    collector current to base current.
    C
    base current to collector current.
    D
    emitter current to collector current.

    • Similar Questions

    Explore conceptually related problems

    In transistor the emitter current is.

    In a junction transistor, the current gain B is defined as

    When a transistor is operated in the active region, it cannot be used

    In a transistor the emitter current is

    A transistor is operated in common emitter configuration at V_C=2 V . Such that a change in the base current from 100 muA to 200 muA produces a change in the collector current of 5mA to 10 mA. The current gain is

    Home
    Profile