What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it?
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If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is
Which of the following has the lowest frequency?
The unit for measuring electric power is the
Calculate the time period (in seconds) of a sound wave of wavelength 2m travelling with a speed of 250 m/s.
If there were no gravity, which of the following will not be there for a fluid?
Which type of radiation has the lowest penetrating ability?
In order of increasing penetration power, alpha particles have the lowest, then beta particles, then gamma rays.
AV= constant, where A= area of cross-section and V= velocity of fluid. This equation is called _____.