Explore topic-wise MCQs in Analog Circuits.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

In the IC 7805, what is the minimum input voltage for proper functioning?

A. 5V
B. 6V
C. 7V
D. 8V
Answer» D. 8V
Discussion
2.

What is the output of the IC 7924?

A. 12V
B. -12V
C. 24V
D. -24V
Answer» E.
Discussion
3.

In a transistorized series regulator, how is the overload and short-circuit protection provided?

A. By the use of a thermistor
B. By using two additional diodes and a current sensing resistor to protect the series transistor
C. By using a diode and an additional resistor to protect the transistor
D. By using a diode along with a capacitor of a small capacitance value in series
Answer» C. By using a diode and an additional resistor to protect the transistor
Discussion
4.

What is not related to a transistorized series regulator?

A. The output can be varied by using a variable resistor
B. The output is independent of temperature
C. The overload and short circuit protection is not required
D. The circuit has negative feedback responsible for regulation
Answer» D. The circuit has negative feedback responsible for regulation
Discussion
5.

In a power supply, the output voltage can vary due to multiple reasons. Which of these is not true if it is found that the output voltage is constant?

A. The voltage stability factor is very high
B. The output resistance is zero
C. The temperature coefficient is zero
D. The voltage stability factor is very small
Answer» B. The output resistance is zero
Discussion