Physics Brightness of bulb depends on voltage or current? Current None Both A & B Voltage Current None Both A & B Voltage ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R 5 R/4 R/5 4 R/5 5 R 5 R/4 R/5 4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Mie scattering Rayleigh scattering Back scattering None of these Mie scattering Rayleigh scattering Back scattering None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following ray has minimum wavelength X-rays Cosmic ray Gamma ray Utraviolet ray X-rays Cosmic ray Gamma ray Utraviolet ray ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Electrons Protons Holes Ions Electrons Protons Holes Ions ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Electromagnetic image making Magnetic image making Electrostatic image making Thermal image making Electromagnetic image making Magnetic image making Electrostatic image making Thermal image making ANSWER DOWNLOAD EXAMIANS APP