Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be in the form of a vertical rod 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 Can be of any shape Should be in the form of a vertical rod 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 Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 80 10 40 20 80 10 40 20 ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Real and erect Real and inverted Virtual and inverted Virtual and erect Real and erect Real and inverted Virtual and inverted Virtual and erect ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Microwaves Infrared rays Radio waves Ultraviolet rays Microwaves Infrared rays Radio waves Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Closed filament lamp Compact fluorescent lamp Closed fluorescent lamp Constantan filament lamp Closed filament lamp Compact fluorescent lamp Closed fluorescent lamp Constantan filament lamp ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 50 24 12 36 50 24 12 36 ANSWER DOWNLOAD EXAMIANS APP
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