Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor but can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be No change Two times Four times Half No change Two times Four times Half ANSWER DOWNLOAD EXAMIANS APP
Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 30 m/s 36 m/s 25 m/s 18 m/s 30 m/s 36 m/s 25 m/s 18 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Superconductors Perfect conductors Semi conductors Dielectrics Superconductors Perfect conductors Semi conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP
Physics Resistance of human body in dry condition 100000 ohm 1000 ohm 10000 ohm 10 ohm 100000 ohm 1000 ohm 10000 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Physics During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to Touch the nearest electric pole Get out of the car and lie flat in the ground Remain in the car Abandon the car and take shelter under a nearby tree Touch the nearest electric pole Get out of the car and lie flat in the ground Remain in the car Abandon the car and take shelter under a nearby tree ANSWER DOWNLOAD EXAMIANS APP
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