Physics Which of these is true of all simple machines? Both A & B These make work easier None of these Work input > work output Both A & B These make work easier None of these Work input > work output ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. inversely proportional to directly proportional to inversely proportional to square of directly proportional to square of inversely proportional to directly proportional to inversely proportional to square of directly proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.12777777777778 0.20902777777778 0.12638888888889 0.21111111111111 0.12777777777778 0.20902777777778 0.12638888888889 0.21111111111111 ANSWER DOWNLOAD EXAMIANS APP
Physics What does the slope of a velocity time graph represent? Momentum Distance Acceleration Speed Momentum Distance Acceleration Speed ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 3 5 7 6 3 5 7 6 ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? Voltage None Current Both A & B Voltage None Current Both A & B ANSWER DOWNLOAD EXAMIANS APP