Electronic Principles For a pure capacitor: ac current and voltage are exactly in phase ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 50 Ohm or more None of these 5 Ohm 6 Ohm 100 Ohm 50 Ohm or more None of these 5 Ohm 6 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 100 k Ohm None of these Less than 10 Ohm More than 100 k Ohm At least 10 Ohm Less than 100 k Ohm None of these Less than 10 Ohm More than 100 k Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: None of these armature brush commutator loop None of these armature brush commutator loop ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 9 81 6 85 None of these 9 81 6 85 ANSWER DOWNLOAD EXAMIANS APP
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