141. An 'ion spot' on the CRT screen is caused by
Solution: Not available. Please sign up to discuss it in grabSTUDY forum.
142. Ghost images are produced on the screen of a TV receiver when
Solution: Not available. Please sign up to discuss it in grabSTUDY forum.
143. In the receiving aerial system, rhombic aerials are preferred because
Solution: Not available. Please sign up to discuss it in grabSTUDY forum.
144. In strong-signal areas, a suitable receiver antenna would be a
Solution: Not available. Please sign up to discuss it in grabSTUDY forum.
145. In fringe areas, a suitable receiving antenna would be a
Solution: Not available. Please sign up to discuss it in grabSTUDY forum.
146. For satisfactory reception in farfringe areas, it is often necessary to use
Solution: Not available. Please sign up to discuss it in grabSTUDY forum.
147. To be most effective, a booster amplifier should be installed
Solution: Not available. Please sign up to discuss it in grabSTUDY forum.
