Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 1.56. 6.24. 0.020. 3.12. 1.56. 6.24. 0.020. 3.12. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current locus is obtained by which of the following? Varying source frequency Varying any one of the circuit element Either of these None of these Varying source frequency Varying any one of the circuit element Either of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has no units? Permittivity Permeability Magnetic susceptibility Moment of a magnet Permittivity Permeability Magnetic susceptibility Moment of a magnet ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of a practical voltage source is considered to be connected in None of these either parallel or series. parallel. series. None of these either parallel or series. parallel. series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has low internal resistance. minimum efficiency. minimum current capacity. high internal resistance. low internal resistance. minimum efficiency. minimum current capacity. high internal resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – εr/F. F. 0. F εr. εr/F. F. 0. F εr. ANSWER DOWNLOAD EXAMIANS APP