Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a conductor None of these a piece of copper wire a battery an insulator a conductor None of these a piece of copper wire a battery an insulator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Reluctance Retentivity There is no valid comparison Permeability Permeance Reluctance Retentivity There is no valid comparison Permeability ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Light energy Mechanical energy Solar energy None of these Chemical energy Light energy Mechanical energy Solar energy None of these Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Impossible to say Neutral None of these Strong Weak Impossible to say Neutral None of these Strong Weak ANSWER DOWNLOAD EXAMIANS APP