Physics Indicate the false statement about the resistance of a wire It is directly proportional to the area of cross-section of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It is directly proportional to the area of cross-section of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 4.65 sec 3.44 sec 5.41 sec 2.87 sec 4.65 sec 3.44 sec 5.41 sec 2.87 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Light from Sun reaches Earth in approximately 8 minutes 3 minutes 10 minutes 12 minutes 8 minutes 3 minutes 10 minutes 12 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. Both A & B None of these The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. Both A & B None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of different masses are dropped simultaneously from the top of a building Larger stone reaches the ground earlier Smaller stone reaches the ground earlier Depends on the composition of the stone Both the stones reach the ground at the same time Larger stone reaches the ground earlier Smaller stone reaches the ground earlier Depends on the composition of the stone Both the stones reach the ground at the same time ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: Alternating current to Direct current High voltage to low voltage Direct current to Alternating current Low voltage to high voltage Alternating current to Direct current High voltage to low voltage Direct current to Alternating current Low voltage to high voltage ANSWER DOWNLOAD EXAMIANS APP
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