capacitors are used for audio frequency and radio frequency coupling and tuning.

capacitors are mainly used for radio frequency tuning.

A

Paper

B

Air

C

Mica

D

Electrolytic

Why does the ionosphere of the Earth's atmosphere facilitate radio communication? i. The presence of ozone causes the reflection of radio waves to earth ii. Radio waves have a very long wavelength

A

i only

B

ii only

C

both i & ii

D

neither i nor ii

In an amplifier, the coupling capacitors are employed for

A

Limiting the bandwidth

B

Matching the impedance

C

Preventing of Dc mixing with input or output

D

Controlling the output

In HTML Audio/Video DOM, __________ sets or returns whether the audio/video should be loaded when the page loads.

A

preload

B

autoplay

C

buffered

D

controller

In HTML Audio/Video DOM, __________ sets or returns the default speed of the audio/video playback.

A

currentTime

B

duration

C

defaultPlaybackRate

D

playbackRate

In HTML Audio/Video DOM, __________ sets or returns the CORS settings of the audio/video.

A

currentTime

B

duration

C

defaultPlaybackRate

D

crossOrigin

In HTML Audio/Video DOM, __________ returns a TimeRanges object representing the buffered parts of the audio/video.

A

preload

B

networkState

C

buffered

D

controller

In HTML Audio/Video DOM, __________ sets or returns the volume of the audio/video.

A

src

B

volume controls

C

volume

D

video Tracks

In HTML Audio/Video DOM, __________ sets or returns whether the audio/video should start playing as soon as it is loaded.

A

controls

B

audio Tracks

C

autoplay

D

currentSrc

In HTML Audio/Video DOM, __________ sets or returns whether the audio/video should start over again when finished.

A

loop

B

autoplay

C

seeking

D

played

capacitors are used for audio frequency and radio frequency coupling and tuning.

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