Electronic Principles Current and voltage are said to be in phase when: All of these their waveforms are both ac or both dc None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these their waveforms are both ac or both dc None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.5 mA 0.083333333333333 2 mA None of these 200 A 0.5 mA 0.083333333333333 2 mA None of these 200 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V 8 V 7.5 V 15 V None of these 16 V 8 V 7.5 V 15 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half doubles the amount of current through the inductors None of these has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half doubles the amount of current through the inductors None of these has no effect on the current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? None of these 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 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 None of these 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of At least 10 Ohm less than 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm At least 10 Ohm less than 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP