Explore topic-wise MCQs in Microwave Engineering.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

IN_THE_HYBRID_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®‚ÂÀ√¨‚ÀÖ√Ë_MODEL_OF_A_BJT,_THE_CAPACITANCE_CC_BETWEEN_THE_BASE_AND_COLLECTOR_IN_THE_HYBRID_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®‚ÂÀ√¨‚ÀÖ√Ë_MODEL_IS_IGNORED.?$#

A. true
B. false
Answer» B. false
Discussion
2.

with_the_increase_in_the_operating_frequency_of_a_BJT,_the_S22_parameter_of_the_transistor:$

A. increases
B. decreases
C. remains constant
D. none of the mentioned
Answer» C. remains constant
Discussion
3.

The upper frequency limit of BJT depends on the?

A. collector length in the transistor
B. base length
C. emitter length
D. driving voltage
Answer» C. emitter length
Discussion
4.

Bipolar junction transistor is a ________ driven device.

A. current
B. voltage
C. power
D. none of the mentioned
Answer» B. voltage
Discussion
5.

At frequency range of about 2-4 GHz, BJTs are preferred over FETs.

A. true
B. false
Answer» B. false
Discussion
6.

Silicon junction transistors are used as amplifiers at frequency range of about:

A. 5-10 MHz
B. 2-10 GHz
C. 40-50 MHz
D. 12-45 GHz
Answer» C. 40-50 MHz
Discussion
7.

Bipolar junction transistors have _______ 1/f characteristics hence making them suitable for oscillators.

A. high
B. low
C. constant
D. decreasing exponential
Answer» C. constant
Discussion
8.

BJTs are suitable for RF applications because:

A. good performance in terms of frequency
B. power capacity
C. noise characteristics
D. all of the mentioned
Answer» E.
Discussion
9.

BJTs are bipolar junction transistors. The name bipolar is given because:

A. they are made of n type and p type semiconductor
B. they have holes as charge carriers
C. they have electrons as charge carriers
D. none of the mentioned
Answer» E.
Discussion