Electronics ETA Certification Exam - Questions and Answers

Electronics ETA Certification Exam - Questions and Answers Ohm's Law states that voltage is the product of resistance and current. Using algebra, how would you determine the resistance? divide the voltage by the current Watt's law states that power is the product of current and voltage. Using algebra, how could the power be determined if resistance and current are known? current squared times the resistance What does the M+ key on a calculator do? sums the quantity on screen to memory The basic unit of length in the metric system is the ___________. Meter A 120,000 Ohm resistor can be entered into a calculator using scientific notation as ____________. 1.2 x 10^5 Which symbol is used for Ohms of resistance? Omega Which symbol means "a change of"? Triangle Which metric prefix would be used to represent 1 x 10^6? Mega Which metric prefix would be used to represent 1 x 10^-3? Milli Which metric prefix would be used to represent 1 x 10^12? Tera ________________ is a term used to describe voltage. Electromotive force The unit of measurement for electron flow is a(n) ____________. Ampere A term used to describe opposition to current flow is _______________. Resistance The basic unit of electric power is the _____________. Watt In a linear electrical circuit, voltage and current are _______________. directly proportional In a series circuit, the current is _________________. the same in all parts of the circuit Total power in a series circuit equals the __________________. sum of the power dissipated by each resistor The sum of voltage drops in a series circuit: equals the applied voltage A decrease in the current of a series circuit can be caused by a: resistance increase