Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.3V 1 V 2 m V per degree Celsius 0.7V None of these 0.3V 1 V 2 m V per degree Celsius 0.7V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: None of these a temporary magnet a natural magnet a paramagnetic alloy an artificial magnet None of these a temporary magnet a natural magnet a paramagnetic alloy an artificial magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: None of these loop armature commutator brush None of these loop armature commutator brush ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V 7.5 V 8 V None of these 3 V 16 V 7.5 V 8 V None of these 3 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 0.25 0.5 None of these 180 4 0.25 0.5 None of these 180 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages in a loop is equal to zero 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 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 algebraic sum of voltages in a loop is equal to zero 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 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 ANSWER DOWNLOAD EXAMIANS APP
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