A load of 300N is to be lifted by a machine with a velocity ratio of 2 and an efficiency of 60%. What effort will be applied to lift the load?
The average translational kinetic energy of gas molecules depends on
The fourth overtone of a closed pipes is 900Hz, its fundamental frequency is
A cell of internal resistance of 2\(\Omega\) supplies current through a resistor, X if the efficiency of the cell is 75%, find the value of X.
In voltage measurement, the potentiometer is preferred to voltmeter because it