Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Electronical energy Solar energy Chemical energy Mechanical energy None of these Electronical energy Solar energy Chemical energy Mechanical energy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more 200 k Ohm or less None of these 20 k Ohm or more 20 km or less 200 k Ohm or more 200 k Ohm or less None of these 20 k Ohm or more 20 km or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.1 A 0.41666666666667 100 A 1000 A None of these 0.1 A 0.41666666666667 100 A 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases None of these is maximum at the resonant frequency always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases None of these is maximum at the resonant frequency always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? less than 1 Ohm 1590 Ohm None of these 312 Ohm 690 Ohm less than 1 Ohm 1590 Ohm None of these 312 Ohm 690 Ohm ANSWER DOWNLOAD EXAMIANS APP
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