6.19.T - Lesson Review: Using Electricity / More Electricity Flashcards
Why is it safe to touch an AA battery?
it is sealed
the voltage is too low to shock you
a battery must be punctured before it is dangerous
a wire is needed
the voltage is too low to shock you
A current is flowing _____________.
protons
electrons
neutrons
voltage
electrons
What is the relationship between current and resistance across a circuit?
directly proportional
joint variation
inversely proportional
no relationship
inversely proportional
How much current is flowing through the typical flashlight?
5 amps
10 volts
2 volts
1 amp
1 amp
What is the relationship between current and voltage across a circuit?
inversely proportional
no relationship
joint variation
directly proportional
directly proportional
What do we call this formula?
Ohm’s Law
Ampere’s Law
Volta’s Law
Newton’s 2nd Law
Ohm’s Law
Match the following description with the most appropriate circuit:
series
only one path
two or more paths
only one path
Match the following description with the most appropriate circuit:
parallel
only one path
two or more paths
two or more paths
The symbol for current in Ohm’s Law is ________.
R
I
C
V
I
The term used for showing the amount of electricity that is flowing is called __________.
static electricity
current
ohms
resistance
current
The following is illustration of a __________ circuit.
series
transverse
connected
parallel
parallel
What voltage produces a current of 500 amps with a resistance of 60 ohms?
6,000 volts
60,000 volts
3,000 volts
30,000 volts
30,000 volts
What resistance would produce a current of 400 amperes from a socket putting out 2,000 volts?
5 ohms
If a 9-volt battery produces a current of 25 amps, what is the resistance?
0.27 ohms
3.6 ohms
0.36 ohms
2.7 ohms
0.36 ohms
Anything that hinders the flow of electricity is called ____.
resistance
