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In FM the output noise can be further decreased by
A) Decreasing frequency deviation B) Increasing frequency deviation
C) Keeping deviation constant D) None of these

Ina television the aspect ratio is defined as

A) The ratio of raster width to height

B) The ratio of raster height to width

C) The ratio of horizontal scanning frequency to vertical scanning frequency
D) None of these

Most commonly used antenna type with TV receiver is
A) Yagi antenna B) Rhombic antenna
C) Loop antenna D) V antenna

In case of Indian TV system the difference between video IF and sound IF is
A) 4.5 MHz B) 5.5 MHz ©) 6 MHz D) 6.5 MHz

In television video transmitter the type of amplitude modulation used is
A) DSB B) SSB
C) VSB D) Suppressed carrier DSB

The Shadow mask in colour picture tube is used to

A) Reduce X-ray radiation

B) Ensure that each primary colour beam hits only its own dots
C) Increases screen brightness

D) None of the above

The colour TV system adopted in India is

A) PAL system B) NTSC C) SECAM D) None of these
Balun in a TV receiver is located

A) At AGC stage B) Between feeder and receiver

C) At antenna D) Between RF stage and mixer

In colour TV receiver colour killer circuit

A) Prevents colour over loading

B) Ensuring separation of colours

C) Cuts off the Chroma stage during monochrome reception
D) Cuts off reception during back porch

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