Physics Red is used as an emergency or danger signal as Its wavelength is the longest It is scattered It has very high energy It is a striking colour Its wavelength is the longest It is scattered It has very high energy It is a striking colour ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 24 12 50 36 24 12 50 36 ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A short focus concave lens A short focus convex lens A long focus concave lens A long focus convex lens A short focus concave lens A short focus convex lens A long focus concave lens A long focus convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics In AC circuits, AC meters measure Mean values Mean square values Peak values Rms values Mean values Mean square values Peak values Rms values ANSWER DOWNLOAD EXAMIANS APP