Question
Reason (R): At higher harmonics the efficiency of a class C amplifier becomes poor
a.
Both A and R are correct and R is correct explanation for A
b.
Both A and R are correct but R is not correct explanation for A
c.
A is correct R is wrong
d.
A is wrong R is correct
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Assertion (A): The duty cycle of a class C amplifier affects the power dissipation of transistor Reason (R): At higher harmonics the efficiency of a class C amplifier becomes...
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. In a self bias circuit for CE amplifier the collector supply voltage is made twice. The collector current will
View solution
Q. In a full wave voltage doubler circuit, the input frequency is 560 Hz. The ripple frequency is
View solution
Q. Assertion (A): A tuned amplifier uses a parallel tuned circuit
Reason (R): A tuned amplifier is used to amplify a narrowband frequencies
View solution
Q. Thermal run away of a transistor occurs when
View solution
Q. JFET has __________ degree of isolation between input and output, and a __________ noise figure.
View solution
Q. The advantage of FET over BJT is
View solution
Q. The MOSFET is almost ideal as a switching device because
View solution
Q. The input and output signals for CE amplifier are always
View solution
Q. In a one pole active low pass filter, the cut off frequency is fc. Then
View solution
Q. Turn off time of a transistor switch is equal to (where ts is storage time and tf is fall time.)
View solution
Q. In a CE amplifier circuit the emitter by pass capacitor is remove. The ac output voltage
View solution
Q. In a differential amplifier, CMRR can be improved by using an increased
View solution
Q. If ac resistance of diode is re, then In CE, BJT amplifier the input impedance is
View solution
Q. The voltage gains of an amplifier without feedback and with negative feedback respectively are 100 and 20. The percentage of negative feedback (β) would be
View solution
Q. Three cascaded stages have gains of 10, 20 and 25. The overall gain will be
View solution
Q. Find the odd one out
View solution
Q. If the value of C₂ and C₃ are doubled, the oscillation frequency will be
View solution
Q. Which of the following statement about JFET is correct?
View solution
Q. Assertion (A): In Darlington pair, the overall β is product of individual βs
Reason (R): The voltage gain of a base driven amplifier is equal to ac collector voltage divided by ac base voltage
View solution
Q. A Wien bridge oscillator uses Wien bridge for
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
