Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current Twice the primary current No more than 10% less than the primary current None of these One-half the primary current Same as the primary current Twice the primary current No more than 10% less than the primary current None of these One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: armature brush loop commutator None of these armature brush loop commutator None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 1 29 4 None of these 18 1 29 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time ANSWER DOWNLOAD EXAMIANS APP
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 None of these 100 Ohm 6 Ohm 5 Ohm 50 Ohm or more None of these 100 Ohm 6 Ohm 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are primary wet-cell batteries None of these Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are primary wet-cell batteries None of these ANSWER DOWNLOAD EXAMIANS APP
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