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A low-pass filter has a cutoff frequency of 1.23 kHz. Determine the bandwidth of the filter.

August 29, 2022 by admin

Question: A low-pass filter has a cutoff frequency of 1.23 kHz. Determine the bandwidth of the filter.
[A].

2.46 kHz

[B].

1.23 kHz

[C].

644 Hz

[D].

not enough information given

Answer: Option B

Explanation:

No answer description available for this question.

A sine wave has only one positive maximum point during a cycle.

August 29, 2022 by admin

Question: A sine wave has only one positive maximum point during a cycle.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

A two branch tuned circuit has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. If R is increased, the dynamic resistance

August 29, 2022 by admin

Question: A two branch tuned circuit has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. If R is increased, the dynamic resistance
[A].

decreases

[B].

increases

[C].

remains constant

[D].

may increases or decreases

Answer: Option B

Explanation:

Dynamic resistance = and increases as L is increased.

Design milestones and reviews help ensure that the design process is timely.

August 29, 2022 by admin

Question: Design milestones and reviews help ensure that the design process is timely.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

Critical humidity of a solid salt means the humidity

August 29, 2022 by admin

Question: Critical humidity of a solid salt means the humidity
[A].

above which it will always become damp.

[B].

below which it will always stay dry.

[C].

both (a) and (b).

[D].

above Which it will always become dry and below which it will always stay damp.

Answer: Option C

Explanation:

No answer description available for this question.

Ceramic materials fabrication can not be done by

August 29, 2022 by admin

Question: Ceramic materials fabrication can not be done by
[A].

welding

[B].

slip casting

[C].

extrusion

[D].

plastic pressing

Answer: Option A

Explanation:

No answer description available for this question.

Ceramic materials

August 29, 2022 by admin

Question: Ceramic materials
[A].

are exemplified by clay and mica.

[B].

are poor electrical conductors due to lack of free electrons.

[C].

never exhibit polymorphism.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Cermets are used for making

August 29, 2022 by admin

Question: Cermets are used for making
[A].

cutting tools

[B].

abrasives

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Combination of metals and ceramics are called

August 29, 2022 by admin

Question: Combination of metals and ceramics are called
[A].

metalloy

[B].

cermets

[C].

pellets

[D].

non-crystalline ceramics

Answer: Option B

Explanation:

No answer description available for this question.

The caking of crystals can be prevented by

August 29, 2022 by admin

Question: The caking of crystals can be prevented by
[A].

maintaining high critical humidity.

[B].

maintaining low critical humidity.

[C].

coating the product with inert material.

[D].

both (a) and (c)

Answer: Option D

Explanation:

No answer description available for this question.