TPC ELECTRICITY AND MAGNETISM
CERTIFICATION EVALUATION VERIFIED
QUESTIONS AND SOLUTIONS FULL REVIEW
PACK
●● If a gap exists in an electric circuit, the circuit is said to be
Answer: open
●● Atomic particles that have a positive electrical charge are called
Answer: protons
●● Static electricity
Answer: does not move
●● You may find electricity easier to understand if you think of voltage
as electrical
Answer: pressure
●● Identical cells connected in __________ provide greater _________
than a single cell.
Answer: parallel; current capacity
, ●● You must be careful when recharging lead-acid batteries because
they
Answer: can explode
can throw acid around the area
produce flammable gases
"all of the above" ALL IS ANSWER
●● The negative plate in an electrochemical cell is called the
Answer: cathode
●● Which device for producing a potential difference consists of two
different metals welded together?
Answer: Thermocouple
●● An optoisolator receives a low-voltage signal on the LED side of the
device and triggers a device that
produces a ___________ voltage on the output side.
Answer: higher
●● The purpose of a potentiometer is to
Answer: divide a potential difference into two parts
●● Power is measured in
CERTIFICATION EVALUATION VERIFIED
QUESTIONS AND SOLUTIONS FULL REVIEW
PACK
●● If a gap exists in an electric circuit, the circuit is said to be
Answer: open
●● Atomic particles that have a positive electrical charge are called
Answer: protons
●● Static electricity
Answer: does not move
●● You may find electricity easier to understand if you think of voltage
as electrical
Answer: pressure
●● Identical cells connected in __________ provide greater _________
than a single cell.
Answer: parallel; current capacity
, ●● You must be careful when recharging lead-acid batteries because
they
Answer: can explode
can throw acid around the area
produce flammable gases
"all of the above" ALL IS ANSWER
●● The negative plate in an electrochemical cell is called the
Answer: cathode
●● Which device for producing a potential difference consists of two
different metals welded together?
Answer: Thermocouple
●● An optoisolator receives a low-voltage signal on the LED side of the
device and triggers a device that
produces a ___________ voltage on the output side.
Answer: higher
●● The purpose of a potentiometer is to
Answer: divide a potential difference into two parts
●● Power is measured in
