Lightning Arrester

Q.

Why are tall buildings more prone to lightning?

Q.

How can high rise buildings be protected from lightning?

Q. Which of the following material cannot be used as a lightning rod?

1. Iron
2. Copper
3. Aluminium
4. Wood

Q.

Lightning conductor is made of ebonite.

1. True
2. False

Q. A lightning conductor is electrically insulated from the building.

1. False
2. True

Q. Lightning conductor is used as a/an device to protect buildings from .

1. earthing
2. radioactive
3. supersonic
4. earthquake
5. lightning

Q. A lightning stroke is so strong that it can destroy life and property. Select the safety measure(s) to be taken to protect ourselves.

1. Take shelter under taller trees.
2. Avoid bathing.
3. Take shelter under shorter trees.
4. Carry an umbrella.

Q. A lightning conductor provides a high resistance path for electric discharge.

1. True
2. False

Q. A/an is a device that is used to protect tall buildings from lightning.

1. seismograph
2. lightning rod
3. barometer
4. anemometer

Q. During thunderstorm or lightning, safe places are

1. near tall tress
2. inside the house or building
3. near electric wires
4. open grounds

Q. A lightning conductor installed in a building ____.

1. spreads the current equitably across the building and then directs it to the ground
2. repels the lightning
3. does not let any current to pass through the building and directs the charges to the ground
4. forces the lightning to fall in an area where there are no buildings

Q. A lightning conductor installed in a building ____.

1. spreads the current equitably across the building and then directs it to the ground
2. repels the lightning
3. forces the lightning to fall in an area where there are no buildings
4. does not let any current to pass through the building and directs the charges to the ground