Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 180 V 100 V None of these 170 V 120 V 180 V 100 V None of these 170 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: None of these one-millionth of an ampere one million amperes 10000A 1000 A None of these one-millionth of an ampere one million amperes 10000A 1000 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The number of free electrons in an atom Trie force that causes electrons to flow The smallest electrically charged particle None of these The flow of charged particles through a material The number of free electrons in an atom Trie force that causes electrons to flow The smallest electrically charged particle None of these The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
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