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? 50 Ohm or more 5 Ohm 6 Ohm 100 Ohm None of these 50 Ohm or more 5 Ohm 6 Ohm 100 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these storing 1 V for 1 second causing an ac phase shift greater than 90 degree dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these storing 1 V for 1 second causing an ac phase shift greater than 90 degree dissipating 1 W of power ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 50 Ohm None of these 10 Ohm 60 Ohm 100 Ohm or more 50 Ohm None of these 10 Ohm 60 Ohm 100 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these Current leads the voltage through a resistor Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals None of these One - a negative terminal Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals None of these ANSWER DOWNLOAD EXAMIANS APP
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