Physics
General
Easy

Question

In a transistor, a change of 8.0 in the emitter current produces a change of 7.8 mA in the collector current. What change in the base current is necessary to produce the same change in the collector current?

  1. 300µA
  2. 400µA
  3. 200µA
  4. 100µA

The correct answer is: 200µA

Related Questions to study

General
physics

A transistor is connected in common emitter configuration. The collector supply is 8V  and the woltage drop across a resistor of 800 in the collector circuit is  0.5V. If the current gain factor alpha  is 0.96, then base current will be.........

A transistor is connected in common emitter configuration. The collector supply is 8V  and the woltage drop across a resistor of 800 in the collector circuit is  0.5V. If the current gain factor alpha  is 0.96, then base current will be.........

physicsGeneral
General
physics

In a common emitter amplifier, using output resistance of 5000Ω and input resistance of 2000Ω, if the peak value of input signal voltage is 10mv and β=50 then what is the peak value of output voltage?

In a common emitter amplifier, using output resistance of 5000Ω and input resistance of 2000Ω, if the peak value of input signal voltage is 10mv and β=50 then what is the peak value of output voltage?

physicsGeneral
General
physics

Avalanche breakdown in a semiconductor diode happen when.......

Avalanche breakdown in a semiconductor diode happen when.......

physicsGeneral
parallel
General
physics

What constitutes the reverse current?

What constitutes the reverse current?

physicsGeneral
General
physics

When p-n junction is reverse biased…..

When p-n junction is reverse biased…..

physicsGeneral
General
biology

Cleidoic egg found in :

Cleidoic egg found in :

biologyGeneral
parallel
General
physics

For the same density of impurity atoms, Zener voltage is.....

For the same density of impurity atoms, Zener voltage is.....

physicsGeneral
General
physics

Zenner diodes are used as

Zenner diodes are used as

physicsGeneral
General
physics

Zenner diodes are represented as

Zenner diodes are represented as

physicsGeneral
parallel
General
biology

Correct sequence in development is :

Correct sequence in development is :

biologyGeneral
General
physics

To get a constant de voltage from the de unregulated output of a rectifier. We use

To get a constant de voltage from the de unregulated output of a rectifier. We use

physicsGeneral
General
physics

The emission of electrons from the host atoms due to the high electric field is known as...

The emission of electrons from the host atoms due to the high electric field is known as...

physicsGeneral
parallel
General
Maths-

If the tangent at the point open parentheses a t to the power of 2 end exponent comma a t to the power of 3 end exponent close parentheses on the curve a y to the power of 2 end exponent equals x to the power of 3 end exponent meets the curve again at

For such questions, we should know the formulas to find slope.

If the tangent at the point open parentheses a t to the power of 2 end exponent comma a t to the power of 3 end exponent close parentheses on the curve a y to the power of 2 end exponent equals x to the power of 3 end exponent meets the curve again at

Maths-General

For such questions, we should know the formulas to find slope.

General
physics

The Zenner voltage of a Zenner diode is kept at a desired value by........

The Zenner voltage of a Zenner diode is kept at a desired value by........

physicsGeneral
General
Maths-

The curves a x squared plus b y squared equals 1 and A x to the power of 2 end exponent plus B y to the power of 2 end exponent equals 1 intersect orthogonally, then

For such questions, we should be careful while taking the derivative.

The curves a x squared plus b y squared equals 1 and A x to the power of 2 end exponent plus B y to the power of 2 end exponent equals 1 intersect orthogonally, then

Maths-General

For such questions, we should be careful while taking the derivative.

parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.