To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor (1) should be made of a good conductor but can be of any shape (2) should be in the form of a vertical rod (3) can be of any shape (4) should be made of a good conductor like copper with sharp-pointed edges

To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor (1) should be made of a good conductor but can be of any shape (2) should be in the form of a vertical rod (3) can be of any shape (4) should be made of a good conductor like copper with sharp-pointed edges
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To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor – (1) should be made of a good conductor but can be of any shape (2) should be in the form of a vertical rod (3) can be of any shape (4) should be made of a good conductor like copper with sharp-pointed edges

Description : To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor - (1) should be made of a good conductor but can be of any shape (2) should be in the form ... can be of any shape (4) should be made of a good conductor like copper with sharp-pointed edges

Last Answer : (4) should be made of a good conductor like copper with sharppointed edges Explanation: A lightning conductor is made up of a sharp pointed metal (usually copper metal, as it is a very good ... cloud, it will first strike the pointed tip of the lightning conductor and quickly travel to the earth.

A lightning conductor on top of a building is made into a pointed spike because

Last Answer : A lightning conductor on top of a building is made into a pointed spike because Charge per unit area becomes very high for lightning to discharge.

The metal used to make lightning conductors is – (1) Iron (2) Aluminum (3) Copper (4) Zinc

Description : The metal used to make lightning conductors is – (1) Iron (2) Aluminum (3) Copper (4) Zinc

Last Answer : (3) Copper Explanation: A lightning rod is a metal rod or metallic object mounted on top of a building, electrically bonded using a wire or electrical conductor to interface with ground or "earth" ... wire, instead of passing through the building, where it could start a fire or cause electrocution.

The metal used to make lightning conductors is (1) Iron (2) Aluminium (3) Copper (4) Zinc

Description : The metal used to make lightning conductors is (1) Iron (2) Aluminium (3) Copper (4) Zinc

Last Answer : Copper

Share is a components. a) Sharp b) Polished c) Pointed d) All of above

Description : Share is a components. a) Sharp b) Polished c) Pointed d) All of above

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Description : Who invented the Lightning Rod in 1749? (1) Benjamin Franklin (2) Nikola Tesla (3) Eli Whitney (4) George Washington

Last Answer : (1) Benjamin Franklin Explanation: The principle of the lightning rod was first detailed by Benjamin Franklin in Pennsylvania in 1749. In the subsequent years, he developed his invention for household application (published in 1753) and further improvements towards a reliable system around 1760.

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Last Answer : Answer: A

The ……… consists of two conductors, where one is the inner conductor of solid copper -Technology

Description : The ……… consists of two conductors, where one is the inner conductor of solid copper -Technology

Last Answer : (c) Co-axial cable consists of two conductors which are parallel to each other, i.e. inner and outer conductor.

Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other...

Description : Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other. If the conductor having smaller cross-sectional area has a resistance of 40 ohms the resistance of other conductor will be?

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Description : How to cut a soda can in half without jagged or sharp edges?

Last Answer : Short answer is No. The soda can wall is very thin, like a razor blade thin, so it is almost impossible for you to dull the edge.

How should knives be stored to keep sharp edges?

Description : How should knives be stored to keep sharp edges?

Last Answer : Most high quality knives come in their own wooden block so that you can't ding up the blade's edge.

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Description : What structurally large, low-resistance conductor is connected in parallel with the meter movement to prevent damage?

Last Answer : Shunt.

What is on the lightning rod ?

Description : What is on the lightning rod ?

Last Answer : : The lightning rod has a pointed face.

Does the plane have a lightning rod against lightning?

Description : Or can lightning strike the plane?

Last Answer : The discharge can pass through the mantle of the plane, along the "surface" (inside - it's not Faraday's cage), but the plane has no potential difference to the surroundings - there is no need to ground (and there is no way). : D

How powerful is a lightning rod?

Description : How powerful is a lightning rod?

Last Answer : A lightning rod is designed to attract and divert a lightningbolt and has no power of its own

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Most aircrafts and ships have their front shape pointed. Why?

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What causes the young leaves of my plants to become pointed and irregular in shape? I noticed the twisting of the leaves and stems after spraying the plants for the first time.

Description : What causes the young leaves of my plants to become pointed and irregular in shape? I noticed the twisting of the leaves and stems after spraying the plants for the first time.

Last Answer : A. Your tomato plants have been injured by 2,4-D or a similar weed killer. Never use the same sprayer for weed control in your vegetable garden you used on your lawn. Drift from herbicides ... can also injure tomato plants. A virus disease called cucumber mosaic virus (CMV) can mimic these symptoms.

A copper rod which is 1 centimeter in diameter carries a current of 5 amps. The current is distributed uniformly throughout the rod. The magnetic field half way between the axis of the rod and its outside edge is: w) zero. x) pointing radially outward y) pointing radially inward z) circles the axis of the rod

Description : A copper rod which is 1 centimeter in diameter carries a current of 5 amps. The current is distributed uniformly throughout the rod. The magnetic field half way between the axis of the rod and its ... ) zero. x) pointing radially outward y) pointing radially inward z) circles the axis of the rod

Last Answer : ANSWER: Z -- CIRCLES THE AXIS OF THE ROD

What indicates for a periapical surgery: A. Where performing an endodontic treatment on existing root canal filling may lead to fracture of the root B. When root canal treatment is faulty C. When there is danger of involving other structures D. When the bony defect is so extensive that the edges of the incisors will collapse E. None of the above

Description : What indicates for a periapical surgery: A. Where performing an endodontic treatment on existing root canal filling may lead to fracture of the root B. When root canal treatment is faulty C. When ... bony defect is so extensive that the edges of the incisors will collapse E. None of the above

Last Answer : A. Where performing an endodontic treatment on existing root canal filling may lead to fracture of the root

Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by (A) Rankine formula (B) Marcus formula (C) Rankine Grashoff formula (D) Grashoff formula

Description : Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by (A) Rankine formula (B) Marcus formula (C) Rankine Grashoff formula (D) Grashoff formula

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Our marigolds are crawling with a brown bug (lightning bug shape)but has solid brown wings and striped abdomen.

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Is a lightning conductor set up on one of the semi-detached houses dangerous for the other without a lightning conductor?

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Last Answer : If the semi-detached house does not have a common electrical installation, then there is no risk. It also has no effect on individual objects.

Is the building approved without a lightning conductor?

Last Answer : If the construction of a lightning conductor is in the construction documentation submitted for the issuance of a building permit, this is a condition. In one case, I managed to approve the ... the lightning conductor. However, it was a condition to rectify this shortcoming as soon as possible.

Where does the lightning conductor on the roof belong?

Description : Where is the lightning conductor located? The highest place on the construction site?

Last Answer : The collectors are placed at the highest points of the building - not only so that these points are also protected, but because the space protected by the collector has a conical shape - that is, to protect as much of the building as possible. So, for example, on the ridge of the roof.

Is a lightning conductor near high voltage wires necessary?

Description : I have a cottage about 100 meters from high voltage wires. Is it possible that he will hit me during a storm if I don't have a lightning conductor? It would lead to those wires, wouldn't it?

Last Answer : Sometimes the lightning must go; On the other hand, lightning is a discharge of such high voltage and so high currents that it can easily beat even the cottage 100 m away. Personally, ... include inspection (by an inspection technician), the service interval for subsequent inspections is 5 years.

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Pick up the correct statement from the following: (A) Inclined borings are made for taking samples under existing structures (B) Inclined borings are occasionally used instead of vertical holes (C) The spacing of inclined borings is kept such that one bore hole is vertically above the bottom of an adjacent bore hole (D) All the above

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Last Answer : Feel Free to Answer

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is part of the Cutter bar is shaped in Triangular shape with two cutting edges a) Knife head b) Knife back c) Grass board

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Description : Why two thin shirts can keep us warmer than a single thick shirt in winter ? (1) Two thin shirts become thicker so prevent transmission of heat (2) Air layer between two shirts works as good conductor (3) Air layer between two shirts behaves like insulating media (4) No radiation of heat takes place

Last Answer : Air layer between two shirts behaves like insulating media

The force between two long parallel wires A and B carrying current is `0.004 Nm^(-1)`. The conductors are 0.01 m apart. If the current in conductor A

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With both ends of a three conductor cable disconnected and arranged without the conductors touching each other, an ohmmeter reading of 'zero' ohms between the ends of one conductor would indicate _____________. A. continuity B. a partial ground C. the resistance is infinite D. a short circuit

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Last Answer : Answer: A

If you disconnect and arrange both ends of a three conductor cable, without any contact between the individual conductors, an indicated ohmic value between the ends of a single conductor would indicate ______________. A. continuity of the conductor B. an infinite resistance C. the presence of a partial ground D. that the conductor is not short circuited

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Generally Non-metals are not conductors of electricity. Which of the given is a good conductor of electricity? a) Diamond b) Graphite c) Sulphur d) Fullerene

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Two infinitely long parallel conductors in vacuum any separated 1 metre between centers >then a current of 1 ampere flows the. uk each conductor, produce on each other a force of (a) 2 x 1(T2 N/m) (b) 2 x KT3 N/m (c) 2 x 10"5 N/m (d) 2x 1(T7 N/m)

Description : Two infinitely long parallel conductors in vacuum any separated 1 metre between centers >then a current of 1 ampere flows the. uk each conductor, produce on each other a force of (a) 2 x 1(T2 N/m) (b) 2 x KT3 N/m (c) 2 x 10"5 N/m (d) 2x 1(T7 N/m)

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Description : If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the ... (b) Ohm's law (c) Kirchhoffs law (d) Faraday's law (e) none of the above

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Last Answer : (A) over head transmission lines.

Line caps are used for adjusting the shape of the line ends to give them a better appearance. Various kinds of line caps used are (A) Butt cap and sharp cap (B) Butt cap and round cap (C) Butt cap, sharp cap and round cap (D) Butt cap, round cap and projecting square cap

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The best conductor of electricity among the following is - (1) copper (2) iron (3) aluminum (4) silver

Description : The best conductor of electricity among the following is - (1) copper (2) iron (3) aluminum (4) silver

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The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Description : The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Last Answer : (4) Silver Explanation: Copper: 9% less conductive than silver; aluminium is 10% less conductive than copper; while steel is the least conductive among the given options. The most electrically conductive metal is silver.

Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver

Description : Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver

Last Answer : (4) Silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).