Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm At least 10 Ohm Less than 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Mechanical energy Chemical energy Solar energy Electronical energy None of these Mechanical energy Chemical energy Solar energy Electronical energy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA 7.8 mA 208 mA None of these 200 mA 300 mA 7.8 mA 208 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: has no effect on the current through the inductors cuts the current through the inductors one-half increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these doubles the amount of current through the inductors has no effect on the current through the inductors cuts the current through the inductors one-half increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these doubles the amount of current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Impossible to say None of these Is greater than the number of holes Is less than the number of holes Equals the number of holes Impossible to say None of these Is greater than the number of holes Is less than the number of holes Equals the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 100 W 1000 W 20 W 200 W None of these 100 W 1000 W 20 W 200 W None of these ANSWER DOWNLOAD EXAMIANS APP
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