Electronics - Study Mode

[#46] The voltage resolution of a 12-bit Digital to Analog Converter (DAC), whose output varies from -10 V to +10 V, is approximately
Correct Answer

(C) 20 mV

[#47] For an intrinsic semiconductor, $$m_e^ * $$ and $$m_h^ * $$ are respectively, the effective masses of electrons and holes near the corresponding band edges. At a finite temperature, the position of the Fermi level
Correct Answer

(C) depends on both $$m_e^ * $$ and $$m_h^ * $$

[#48] Which of the following statements is correct for a common emitter amplifier circuit?
Correct Answer

(B) There is 180° phase shift between input and output voltages

[#49] Consider the following circuit: Which of the following correctly represents the output V out corresponding to the input V in ?
Correct Answer

[#50] The circuit shown above
Correct Answer

(A) is a common-emitter amplifier