Electronic Principles A device that converts mechanical pressure to electrical energy is called a: piezoelectric device nicad cell None of these solar cell photodiode piezoelectric device nicad cell None of these solar cell photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is Trie force that causes electrons to flow The smallest electrically charged particle The number of free electrons in an atom None of these The flow of charged particles through a material Trie force that causes electrons to flow The smallest electrically charged particle The number of free electrons in an atom None of these The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43922 None of these 3 43891 2 43922 None of these 3 43891 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these Two - a negative terminal and a positive terminal One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these Two - a negative terminal and a positive terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: lightning None of these batteries oscillators generators lightning None of these batteries oscillators generators ANSWER DOWNLOAD EXAMIANS APP
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? 50 A 20 A 0.20833333333333 None of these 50 A 20 A 0.20833333333333 None of these ANSWER DOWNLOAD EXAMIANS APP
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