Question

The internal resistance of a triode value is  and the amplification factor is 15. What is the potential (at constant-potential) is required to increase the plate current from 6 mA to 9 mA?

Solution

Correct option is

2.0 volt

.  

  

  

                             = 2.0 volt.

 

SIMILAR QUESTIONS

Q1

Two identical p-n junction may be connected in series with a battery in three ways. The potential drops across the two p-n junction are equal in :

                                

Q2

In case of p-n junction diode at high reverse-bias, the current rises sharply. The value of reverse bias is known as : 

Q3

A junction diode can be used for :

Q4

p-n junction diode cannot be used :

Q5

For a common base transistor circuit, the emitter-current and the collector-current are 1 mA and 0.96 mA respectively. Calculate the current gain and base current.

Q6

The current gain for common-emitter amplifier is 59. If the emitter-current is 6.0 mA, find (i) base-current, and (ii) collector-current.

Q7

Calculate the current gain  of a transistor if the current-gain  is 0.98.

Q8

In a silicon transistor, a change of 7.98 mA in the emitter-current produces a change of 7.8 mA in the collector-current. Find the required change in the base current to produce an equivalent change in the collector current. 

Q9

A common-emitter transistor amplifier has a current gain of 50. The collector resistance is  and the input resistance is , calculate the output voltage if input voltage is 0.01 V. 

Q10

Which logic gets is represented by the following combination of logic gets?