Physics Electric current is measured by which instrument? Sinometer Barometer Voltmeter Ammeter Sinometer Barometer Voltmeter Ammeter 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 4 R/5 R/5 5 R/4 5 R 4 R/5 R/5 5 R/4 5 R ANSWER DOWNLOAD EXAMIANS APP
Physics If a barometric reading is falling, this usually indicates what Increasing pressure Decreasing pressure None No pressure Increasing pressure Decreasing pressure None No pressure ANSWER DOWNLOAD EXAMIANS APP
Physics What is colour of light related to ? Amplitude Velocity Quality Frequency Amplitude Velocity Quality Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their temperatures Whether they are in solid, liquid or gaseous state Their masses Their heat contents Their temperatures Whether they are in solid, liquid or gaseous state Their masses Their heat contents ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Phonon-phonon interaction Electron-phonon interaction Electron-electron interaction Electron-photon intercation Phonon-phonon interaction Electron-phonon interaction Electron-electron interaction Electron-photon intercation ANSWER DOWNLOAD EXAMIANS APP