Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage 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? Retentivity Permeance Reluctance Permeability There is no valid comparison Retentivity Permeance Reluctance Permeability There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil None of these frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? None of these 1 18 4 29 None of these 1 18 4 29 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has a negative charge None of these An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has a negative charge None of these An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? None of these 30 Ohm 20 Ohm 100 Ohm 10 Ohm None of these 30 Ohm 20 Ohm 100 Ohm 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
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