Physics-
General
Easy

Question

The part of a transistor which is most heavily doped to produce large number of majority charge carries is :

  1. emitter    
  2. base    
  3. collector    
  4. can be any of the above three    

The correct answer is: emitter

Related Questions to study

General
Physics-

The energy band gap is maximum in :

The energy band gap is maximum in :

Physics-General
General
Physics-

Statement-1 : A transistor amplifier in common emitter configuration has a low input impedence.
Statement-2 : The base to emitter region is forward biased.

Statement-1 : A transistor amplifier in common emitter configuration has a low input impedence.
Statement-2 : The base to emitter region is forward biased.

Physics-General
General
Physics-

The current flowing through the zener diode in fig. is-

The current flowing through the zener diode in fig. is-

Physics-General
parallel
General
Physics-

Consider the following statements 1 and 2 and identify the correct answer- 1] A zener diode is always connected in reverse bias. 2] The potential barrier of a P-N junction lies between 0.1 to 0.3 V approximately.

Consider the following statements 1 and 2 and identify the correct answer- 1] A zener diode is always connected in reverse bias. 2] The potential barrier of a P-N junction lies between 0.1 to 0.3 V approximately.

Physics-General
General
Maths-

Let ABC be a triangle with equations of the sides AB, BC and CA respectively x – 2 = 0, y – 5 = 0 and 5x + 2y –10 = 0. Then the orthocentre of the triangle lies on the line

Let ABC be a triangle with equations of the sides AB, BC and CA respectively x – 2 = 0, y – 5 = 0 and 5x + 2y –10 = 0. Then the orthocentre of the triangle lies on the line

Maths-General
General
Maths-

Circles x2 + y2 = 4 and x2 + y2 – 2x – 4y + 3 = 0

Circles x2 + y2 = 4 and x2 + y2 – 2x – 4y + 3 = 0

Maths-General
parallel
General
Maths-

The length of intercept on y– axis, by a circle whose diameter is the line joining the points (–4, 3) and (12, –1) is -

The length of intercept on y– axis, by a circle whose diameter is the line joining the points (–4, 3) and (12, –1) is -

Maths-General
General
Maths-

The number of common tangents that can be drawn to the circles x2 + y2 – 4x – 6y – 3 = 0 and x2 + y2 + 2x + 2y + 1 = 0 is

The number of common tangents that can be drawn to the circles x2 + y2 – 4x – 6y – 3 = 0 and x2 + y2 + 2x + 2y + 1 = 0 is

Maths-General
General
Maths-

Statement I : blank to the power of 21 end exponent C subscript 0 end subscript plus blank to the power of 21 end exponent C subscript 1 end subscript plus horizontal ellipsis plus blank to the power of 21 end exponent C subscript 10 end subscript equals 2 to the power of 20 end exponentbecause
Statement II : blank to the power of 2 n plus 1 end exponent C subscript 0 end subscript plus blank to the power of 2 n plus 1 end exponent C subscript 1 end subscript plus horizontal ellipsis to the power of 2 n plus 1 end exponent C subscript 2 n plus 1 end subscript equals 2 to the power of 2 n plus 1 end exponentand nCr = nCn r

Statement I : blank to the power of 21 end exponent C subscript 0 end subscript plus blank to the power of 21 end exponent C subscript 1 end subscript plus horizontal ellipsis plus blank to the power of 21 end exponent C subscript 10 end subscript equals 2 to the power of 20 end exponentbecause
Statement II : blank to the power of 2 n plus 1 end exponent C subscript 0 end subscript plus blank to the power of 2 n plus 1 end exponent C subscript 1 end subscript plus horizontal ellipsis to the power of 2 n plus 1 end exponent C subscript 2 n plus 1 end subscript equals 2 to the power of 2 n plus 1 end exponentand nCr = nCn r

Maths-General
parallel
General
Maths-

If Cr denotes the combinatorial coefficient in the expansion of (1 + x)n then (nN
Statement 1: left parenthesis n plus 1 right parenthesis open parentheses C subscript 0 end subscript superscript 2 end superscript plus C subscript 1 end subscript superscript 2 end superscript plus C subscript 2 end subscript superscript 2 end superscript plus horizontal ellipsis plus C subscript n end subscript superscript 2 end superscript close parentheses greater than open parentheses C subscript 0 end subscript plus C subscript 1 end subscript plus C subscript 2 end subscript plus horizontal ellipsis plus C subscript n end subscript close parentheses to the power of 2 end exponent for all n greater or equal than 2 comma n element of Nbecause
Statement 2: Root mean square of n distinct real numbers is always greater than their arithmetic mean, n ≥ 2

If Cr denotes the combinatorial coefficient in the expansion of (1 + x)n then (nN
Statement 1: left parenthesis n plus 1 right parenthesis open parentheses C subscript 0 end subscript superscript 2 end superscript plus C subscript 1 end subscript superscript 2 end superscript plus C subscript 2 end subscript superscript 2 end superscript plus horizontal ellipsis plus C subscript n end subscript superscript 2 end superscript close parentheses greater than open parentheses C subscript 0 end subscript plus C subscript 1 end subscript plus C subscript 2 end subscript plus horizontal ellipsis plus C subscript n end subscript close parentheses to the power of 2 end exponent for all n greater or equal than 2 comma n element of Nbecause
Statement 2: Root mean square of n distinct real numbers is always greater than their arithmetic mean, n ≥ 2

Maths-General
General
Maths-

The sum stretchy sum from k equals 1 to n minus gamma plus 1 of   k to the power of n minus k end exponent C subscript gamma minus 1 end subscriptis equal to

The sum stretchy sum from k equals 1 to n minus gamma plus 1 of   k to the power of n minus k end exponent C subscript gamma minus 1 end subscriptis equal to

Maths-General
General
Maths-

stretchy sum from i equals 0 to n of   stretchy sum from j equals 0 to n of   stretchy sum from k equals 0 to n of   open parentheses fraction numerator n over denominator i end fraction close parentheses open parentheses fraction numerator n over denominator k end fraction close parentheses comma open parentheses fraction numerator n over denominator r end fraction close parentheses equals blank to the power of n end exponent C subscript r end subscript

stretchy sum from i equals 0 to n of   stretchy sum from j equals 0 to n of   stretchy sum from k equals 0 to n of   open parentheses fraction numerator n over denominator i end fraction close parentheses open parentheses fraction numerator n over denominator k end fraction close parentheses comma open parentheses fraction numerator n over denominator r end fraction close parentheses equals blank to the power of n end exponent C subscript r end subscript

Maths-General
parallel
General
Maths-

The expression open parentheses table row cell n end cell row cell k end cell end table close parentheses plus open parentheses table row cell n end cell row cell k plus 1 end cell end table close parentheseswhere n greater or equal than k greater or equal than 1is the same as

The expression open parentheses table row cell n end cell row cell k end cell end table close parentheses plus open parentheses table row cell n end cell row cell k plus 1 end cell end table close parentheseswhere n greater or equal than k greater or equal than 1is the same as

Maths-General
General
Chemistry-

Which of the following pairof ions cannot beseparated by H2Sindilute HCl?

Which of the following pairof ions cannot beseparated by H2Sindilute HCl?

Chemistry-General
General
Chemistry-

Thpairofcom pounds which cannot exist together in solution is:

Thpairofcom pounds which cannot exist together in solution is:

Chemistry-General
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.