Answers

A block and tackle pulley arrangement has 6 pulleys in which an effort of 50N supports a load…

Three 3ω resistance are connected in parallel what is the equivalent resistance? A. 1ω B. 9ω C. 3ω…

A block and tackle pulley arrangement has 6 pulleys in which an effort of 50N supports a load…

A cell of internal resistance 2 π supplies current to a 6 π resistor. The efficiency of the…

Under which of the following conditions is workdone A. A man supports a heavy food above his head…

Under what conditions are cathode rays produced in a discharge tube? A. High pressure and low voltage B.…

Calculate the upthrust on an object of volume 50cm3 which is immersed in liquid of density (10^{3}) kgm-3 [g…

Calculate the upthrust on an object of volume 50cm3 which is immersed in liquid of density (10^{3}) kgm-3 [g…

Calculate the electric field intensity between two plates of potential difference 6.5V when separated by a distance of…

Why do soldiers march disorderly while crossing a bridge? A. To prevent resonance on the bridge B. To…