Analog Electronics Which of the following statements is false? Push pull signals are equal and opposite in phase All of these Class AB operation cannot be used for a push pull audio power output phase A push pull output transformer has a centre-tapped primary Push pull signals are equal and opposite in phase All of these Class AB operation cannot be used for a push pull audio power output phase A push pull output transformer has a centre-tapped primary ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The Barkhausen criterion for an oscillator Both A and C The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be less than unity Loop gain should be unity Both A and C The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be less than unity Loop gain should be unity ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The ICBO is the electric current that flows when some DC voltage is applied in the forward direction to the emitter junction with collector open. in the reverse direction to the emitter junction with collector open. in the reverse direction to the collector junction with emitter open. in the forward direction to the collector junction with emitter open. in the forward direction to the emitter junction with collector open. in the reverse direction to the emitter junction with collector open. in the reverse direction to the collector junction with emitter open. in the forward direction to the collector junction with emitter open. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For an NPN transistor in normal bias Je is forward biased and Jc is reverse biased. only majority carriers cross the collector junction. only holes cross the collector junction. the emitter junction has high resistance. Je is forward biased and Jc is reverse biased. only majority carriers cross the collector junction. only holes cross the collector junction. the emitter junction has high resistance. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics CMOS devices use class A operation. complementary E - MOSFETs. bipolar transistors . DMOS devices. class A operation. complementary E - MOSFETs. bipolar transistors . DMOS devices. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following amplifier circuit using junction transistor has the best gain? Common emitter Common base Common collector All have the same gain Common emitter Common base Common collector All have the same gain ANSWER DOWNLOAD EXAMIANS APP
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