Electronics Final Exam Test 1 Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

Electronics Final Exam Test 1 Exam
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
0.0047 amps can be expressed in metric units as 47 uA. - CORRECT ANSWER False



Electrons attract each other - CORRECT ANSWER False



To measure the current through a resistor, place the ammeter so the current must pass through the
meter. - CORRECT ANSWER True



If a circuit's supply voltage is 15V and its resistance is 4700 ohms, its current is 3.19 mA. -
CORRECT ANSWER True



If the voltage applied to a circuit doubles, then power dissipation doubles. - CORRECT ANSWER
False



If a 1/4 W resistor and a 1/2 W resistor are wired in series, they can safely dissipate 3/4 W. -
CORRECT ANSWER False



If three equal resistors are connected in parallel across 12 V, each resistor drops 4 V. - CORRECT
ANSWER False



If one branch of a parallel circuit opens, the total resistance decreases. - CORRECT ANSWER
False



If one branch of a parallel circuit shorts, the total resistance decreases. - CORRECT ANSWER
True



A magnetic field around a conductor is a good indication that current is flowing. - CORRECT
ANSWER True