Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal One - a negative terminal None of these Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal One - a negative terminal None of these Three - negative, positive and neutral terminals Four - two negative and two positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom None of these An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Negative charges Positive charges None of these Crystals Atoms Negative charges Positive charges None of these Crystals Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is less than the number of holes Impossible to say None of these Is greater than the number of holes Equals the number of holes Is less than the number of holes Impossible to say None of these Is greater than the number of holes Equals the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell None of these thermocouple electric device chemical cell solar cell None of these thermocouple electric device chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -6 2 None of these -3 -6 2 None of these -3 ANSWER DOWNLOAD EXAMIANS APP
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