Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A 50 A None of these 0.20833333333333 20 A 50 A None of these 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: None of these oscillators batteries generators lightning None of these oscillators batteries generators lightning ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is None of these Trie force that causes electrons to flow The number of free electrons in an atom The smallest electrically charged particle The flow of charged particles through a material None of these Trie force that causes electrons to flow The number of free electrons in an atom The smallest electrically charged particle The flow of charged particles through a material 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? None of these Ammeter Ohmmeter Voltmeter Wattmeter None of these Ammeter Ohmmeter Voltmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has been freed from its parent atom An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is equal to the average value of the individual voltages ANSWER DOWNLOAD EXAMIANS APP
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