Electronic Principles The dielectric constant of a material is a measure of: None of these how well the material concentrates magnetic lines of force the amount of opposition to the current flow how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down None of these how well the material concentrates magnetic lines of force the amount of opposition to the current flow how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons Same number as free electrons many None of these Only those produced by thermal energy less than the free electrons Same number as free electrons many None of these Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current. is greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current. is greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? Less than 1 Ohm 444 Ohm 100 Ohm 628 Ohm None of these Less than 1 Ohm 444 Ohm 100 Ohm 628 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of At least 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm Less than 10 Ohm At least 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm Less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 600 V None of these 24 V 4.73 0.4 V 600 V None of these 24 V 4.73 0.4 V ANSWER DOWNLOAD EXAMIANS APP
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