Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two None of these reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ammeter Ohmmeter Wattmeter Voltmeter None of these Ammeter Ohmmeter Wattmeter Voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons None of these An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons None of these An atom that contains more electrons than protons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = PR R = E2/P P = E2/R None of these I = P/E P = PR R = E2/P P = E2/R None of these I = P/E 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 At room temperature a conductor has low many holes? many Only those produced by thermal energy less than the free electrons None of these Same number as free electrons many Only those produced by thermal energy less than the free electrons None of these Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
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