Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these Current lags the voltage through a resistor Current leads the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these Current lags the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is Trie force that causes electrons to flow None of these The flow of charged particles through a material The smallest electrically charged particle The number of free electrons in an atom Trie force that causes electrons to flow None of these The flow of charged particles through a material The smallest electrically charged particle The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons None of these Only those produced by thermal energy Same number as free electrons many less than the free electrons None of these Only those produced by thermal energy Same number as free electrons many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Zero internal resistance Infinite internal resistance A small internal resistance None of these A large internal resistance Zero internal resistance Infinite internal resistance A small internal resistance None of these A large internal resistance 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 651 V 707 V 208 V 700 V None of these 651 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through 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 has no effect on the inductance 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 has no effect on the inductance ANSWER DOWNLOAD EXAMIANS APP
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