Lightning Conductor

Q. Precautions during thunderstorms.

Q.

During a thunderstorm, it is safer to use mobile phones and cordless phones than using telephone cords.​

1. True

2. False

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. Using Telephone having cord

2. Switching on / off electric lights

3. Using a mobile phone

4. None of the above

Q.

Why doesn't the planes crash during the thunderstorms??

Q.

____ is used to protect tall buildings from damage?

1. Not to build tall buildings

2. Install lightening conductors

3. Install many TV antennas

4. Have a roof top garden with tall tree

Q. cannot be used as a material for a lightning rod.

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

Q. Which of the following statement(s) is/are correct with respect to the equipments used for the setup of a lightning conductor?

1. The highest point of the conductor is made up of rubber.
2. The highest point of the conductor is made up of copper.
3. The wires for conduction of charges to the ground are generally made up of copper.
4. A metal plate is required which is buried deep down under the ground.

Q.

Select the device that can be used to protect a building from lightning.

1. Seismograph

2. Anemometer

3. Lightning Conductor

4. Barometer

Q. Lightning rods can be made out of which of the following materials?

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

Q. Select the device that can be used to protect a building from lightning.

1. Seismograph
2. Richter scale
3. Lightning conductor
4. Barometer

Q.

Match the column:

Column 1	Column 2
Protects tall buildings from the dangers of lightning	Negatively charged
A bright spark in the sky	Electrification
Electron	Lightning conductor
Charging an object	Lightning

Q. Lightning conductors can be made up of ___.

1. plastic
2. wood
3. rubber
4. copper

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

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

Q. Which type of material must be used for the lightning rod?

1. Conductors

2. Insulators

3. No material can be used

4. Any material can be used

Q. Electric charge can be transferred easily through:

1. Aluminium
2. Wood
3. Plastic
4. Glass

Q. Ends of lightning conductors are _____.

1. rounded and wide
2. smooth
3. pointed
4. elliptical and wide

Q. A lightning conductor installed in a building ____.

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