Electronic Principles Holes act like: Negative charges Atoms None of these Crystals Positive charges Negative charges Atoms None of these Crystals Positive charges 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? 6 Ohm 50 Ohm or more 100 Ohm 5 Ohm None of these 6 Ohm 50 Ohm or more 100 Ohm 5 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 700 V None of these 707 V 651 V 208 V 700 V None of these 707 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 754 Ohm 30 Ohm 60 Ohm None of these 120 Ohm 754 Ohm 30 Ohm 60 Ohm None of these 120 Ohm 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: rotor battery armature commutator None of these rotor battery armature commutator None of these ANSWER DOWNLOAD EXAMIANS APP