Physics Minimum number of unequal vectors which can give zero resultant are three more than four four two three more than four four two ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is arranged in order of decreasing conductivity? Copper, Aluminium, Steel, Silver Copper, Silver, Aluminium, Steel Silver, Copper, Aluminium, Steel Aluminium, Silver, Copper, Steel Copper, Aluminium, Steel, Silver Copper, Silver, Aluminium, Steel Silver, Copper, Aluminium, Steel Aluminium, Silver, Copper, Steel ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper can take higher power than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper can take higher power than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be < P 2P > P P < P 2P > P P ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar heater Solar cooker Battery Solar cell panel Solar heater Solar cooker Battery Solar cell panel ANSWER DOWNLOAD EXAMIANS APP
Physics The bats can fly in the dark because They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They generate flashes of light They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They generate flashes of light ANSWER DOWNLOAD EXAMIANS APP
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