Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency 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 All of these they have the same amplitude and frequency 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor Current and voltages are in phase through a resistor None of these Current leads the voltage through a resistor All of these Current lags the voltage through a resistor Current and voltages are in phase through a resistor None of these Current leads the voltage through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? None of these 2.02 A 0.151 mA 0.995 mA 157 raA None of these 2.02 A 0.151 mA 0.995 mA 157 raA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? None of these 0.625 W 0.24 W 80 W 325 kW None of these 0.625 W 0.24 W 80 W 325 kW ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS