Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these None of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these None of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow An imbalance of electrical charges None of these The number of free electrons in an atom The flow of charged particles through a material The force that causes electrons to flow An imbalance of electrical charges None of these The number of free electrons in an atom The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A None of these 50 A 0.20833333333333 20 A None of these 50 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current is converted to dc voltage None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree 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? None of these 3 V 16 V 8 V 7.5 V None of these 3 V 16 V 8 V 7.5 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 692.2 Ohm 1234 Ohm 3890 Ohm 844.5 Ohm None of these 692.2 Ohm 1234 Ohm 3890 Ohm 844.5 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP