Physics The purpose of choke in a fluorescent lamp is : To decrease the current flow Ro decrease the voltage momentarily To decrease the resistance To increase the current flow To decrease the current flow Ro decrease the voltage momentarily To decrease the resistance To increase the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity increase its life increase its electrical resistivity enable it to withstand higher voltages increase its electrical conductivity increase its life increase its electrical resistivity enable it to withstand higher voltages ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Fixed dimension Change in frequency and dimension Change in dimension only Fixed frequency Fixed dimension Change in frequency and dimension Change in dimension only Fixed frequency ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 50 12 36 24 50 12 36 24 ANSWER DOWNLOAD EXAMIANS APP
Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Pascal's law Bernoulli's law Archimedes' principle Posieulle's principle Pascal's law Bernoulli's law Archimedes' principle Posieulle's principle ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass - wool Glass pieces Stone chips Steel Glass - wool Glass pieces Stone chips Steel ANSWER DOWNLOAD EXAMIANS APP
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