SCMH 1010 EXAM 1 VOGEL 2026
LATEST QUESTIONS AND
ANSWERS| ACE YOUR GRADES.
What are some lines of evidence of the Earth's magnetic field? -
correct answer -The Aurora Borealis
What does the magnetic field do that is useful (there are 2
things)? - correct answer -The earth magnetic field serves a a
locational mechanism as well as repel harmful radiation from the
sun
What is a circuit? - correct answer -A closed path that allows
electricity to flow from one point to another
Be able to interpret the V = I x R equation. - correct answer -
Ohm's Law
Voltage = I (current) x R (resistance)
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What is the difference between voltage, current, and resistance? -
correct answer -Voltage = pressure measured in volts
Current = a stream of charged particles, such as electrons or
ions, moving through an electrical conductor or space.
Resistance = measure of the opposition to current flow in an
electrical circuit
What are some insulators and some conductors? - correct
answer -Conductor = metals and silicon at higher temps
conductors help pass electricity through a circuit with lower
resistance the better metal you use such as gold
Insulator = rubber
usually wrapped around a conductor in order to prevent heat or
electricity from escaping the circuit
Why do all your devices need adapters and why do your adapters
not work in foreign countries? - correct answer -Adapters vary
from country too country.This is due to the electrical outlets used
in certain countries differing requiring different adapters.