In a P-N junction
In a P-N junction
Options
(a) P and N both are at the same potential (b) High potential is at N side and low potential is at P side (c) High potential is […]
Physics
In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs, when it is connected to a battery. Then, Iе=…….μA.
Options
(a) 400 (b) 200 (c) 800 (d) 1600
Correct Answer: […]
The process of adding impurities to the pure semiconductor is called
The process of adding impurities to the pure semiconductor is called
Options
(a) Drouping (b) Drooping (c) Doping (d) none of these
Correct Answer:
Doping
Explanation:
No explanation available. Be the first to […]
In a common emitter transistor amplifier, the voltage gain is
In a common emitter transistor amplifier, the voltage gain is
Options
(a) αRᴀс/Rᵢn (b) αRᵢn/Rᴀс (c) βRᴀс/Rᵢn (d) βRᵢn/Rᴀс
Correct Answer:
βRᴀс/Rᵢn
Explanation:
No explanation available. Be the first to write the explanation […]
When an input signal 1 is applied to a NOT gate, then its output is
When an input signal 1 is applied to a NOT gate, then its output is
Options
(a) 1 (b) 0 (c) either 0 or 1 (d) any positive value
Correct Answer:
0
Explanation:
When […]
The Boolean expression P+ P ̅ Q, where P and Q are the inputs of the logic
The Boolean expression P+ P ̅ Q, where P and Q are the inputs of the logic circuit, represents
Options
(a) AND gate (b) NAND gate (c) NOT gate (d) OR gate
Correct […]
For CE transistor amplifier, the audio signal voltage across the collector resistance
For CE transistor amplifier, the audio signal voltage across the collector resistance of 2kΩ is 4V. If the current amplification factor of the transistor is 100 and the base resistance is 1kΩ, then the input […]
In a transistor, the value of βis 100, then the value of α will be
In a transistor, the value of β is 100, then the value of α will be
Options
(a) 0.01 (b) 0.1 (c) 0.99 (d) 1
Correct Answer:
0.99
Explanation:
No explanation available. Be […]
Energy bands in solids are a consequence of
Energy bands in solids are a consequence of
Options
(a) Ohm’s law (b) Pauli’s exclusion principle (c) Bohr’s theory (d) Heisenberg’s uncertainty principle
Correct Answer:
Bohr’s theory
Explanation:
No explanation available. Be the […]
Zenor breakdown will occur if
Zenor breakdown will occur if
Options
(a) Impurity level is low (b) Impurity level is high (c) Impurity is in K-side (d) Impurity is less in K-side
Correct Answer:
Impurity level is high
Explanation: […]