Advertisements
Advertisements
Question
In a common base configuration, the transistor has an emitter current of 10 mA and a collector current of 9.8 mA. The value of base current is ______
Options
0.1 mA
0.2 mA
0.3 mA
0.4 mA
Advertisements
Solution
In a common base configuration, the transistor has an emitter current of 10 mA and a collector current of 9.8 mA. The value of the base current is 0.2 mA.
Explanation:
Let Ie be emitter current Ib be base current and Ic be collector current.
Ie = Ib + Ic
10mA = Ib + 9.8mA
RELATED QUESTIONS
Which method of biasing is used for operating a transistor as an amplifier?
For a transistor β =75 and IE = 7.5 mA. The value of α is ______
Explain the working of the PNP transistor?
With the help of a neat diagram, explain the working of the npn transistor?
The light emitted in an LED is due to
The output of the following circuit is 1 when the input ABC is

Give the Barkhausen conditions for sustained oscillations.
Transistor functions as a switch. Explain.
Assuming VCEsat = 0.2 V and β = 50, find the minimum base current (IB) required to drive the transistor given in the figure to saturation.

A transistor of α = 0.99 and VBE = 0.7 V is connected in the common-emitter configuration as shown in the figure. If the transistor is in the saturation region, find the value of collector current.

In the circuit shown in the figure, the BJT has a current gain (β) of 50. For an emitter-base voltage VEB = 600 mV, calculate the emitter-collector voltage VEC (in volts).

Least doped region in a transistor ____________.
In the study of transistor as an amplifier, the ratio of collector current to emitter current is 0.98 then the ratio of collector current to base current will be ______.
In switching circuit, transistor is in ON state, values of IE and lB are 10 mA and 0.8 mA respectively and RL is 2 k`Omega`. If VCE is 7.6 V, then VCC is ____________.
In a common emitter amplifier circuit using an n-p-n transistor, the phase difference between the input and the output voltages will be: ____________.
In case of npn transistors, the collector current is always less than the emitter current because ______.
In an npn transistor circuit, the collector current is 10 mA. If 90% of the electrons emitted reach the collector, the emitter current (IE) and base current (IB) are given by ____________.
In a silicon transistor, a change of 7.89 mA in the emitter current if produces a change of 7.8 mA in the collector current, then the base current must change by ____________.
In a p-n-p transistor circuit, the collector current is 10 mA. If 90% of the holes emitted from the emitter reach the collector, ______.
The transfer ratio of a transistor is 50. The input resistance of the transistor when used in the CE configuration is 1K Ω. The peak value for an AC input voltage of 0.01 V of collector current is ______.
The current amplification factor for a transistor in its common emitter mode is 50. The current amplification factor in the common base mode of the transistor is ______.
Explain the working of the n-p-n transistor in a common base configuration.
Define peak value of alternating signal.
Define β
When an n-p-n junction transistor is used as an amplifier in common emitter mode, ______.
