Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? None of these The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is always less than the value of the smallest resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Stays the same 0oC Decreases Increases None of these Stays the same 0oC Decreases Increases 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? 200 mA 7.8 mA 208 mA None of these 300 mA 200 mA 7.8 mA 208 mA None of these 300 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: battery commutator rotor armature None of these battery commutator rotor armature None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has None of these A small internal resistance Zero internal resistance A large internal resistance Infinite internal resistance None of these A small internal resistance Zero internal resistance A large internal resistance Infinite internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA 10.3 µA None of these 7.75 µA 14.8 µA 7.8 µA 10.3 µA None of these 7.75 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
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