Electronic Principles One henry of inductance is defined as: the amount of inductance required to change the frequency of a current by 1 Hz the amount of counter emf required to reduce a current to 1 A the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of inductance required to change the frequency of a current by 1 Hz the amount of counter emf required to reduce a current to 1 A the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.41666666666667 None of these 2.02 A 0.955 A 0.02 A 0.41666666666667 None of these 2.02 A 0.955 A 0.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 220 ohm 445 ohm 150 ohm 690 ohm None of these 220 ohm 445 ohm 150 ohm 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor of magnetic fields None of these a good insulator a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields None of these a good insulator a poor conductor of electrostatic fields a good conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? None of these less than the free electrons Only those produced by thermal energy many Same number as free electrons None of these less than the free electrons Only those produced by thermal energy many Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
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