Title: M2 Video Checkup
Course: ELEC 160WH Introduction to Electricity/Electronics > Section: ELEC 160WH Introduction to Electricity/Electronics

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

The first has been done for you.

V= 5V, I=0.2mA, R = __2.5k    Ω

V= 5V, I=0.2mA, R = [_____]Ω
A: 2.5k

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

V=20V, I=[_____]A, R = 400Ω
A: 50m

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

V=120V, I = 2A, R = [_____] Ω
A: 60

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

5V (300mA) = [_____] W
A: 1.5

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

12mV/200μA = [_____] Ω
A: 60

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

40V / 25mA = [_____] Ω
A: 1.6k

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

70V / 1.4kΩ = [_____] A
A: 50m

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

25.2MW / 144kV = [_____] A
A: 175

Q: Solve the following equations using the proper metric prefix when necessary.

Assume these are all just basic single-source circuits with one resistance. Use metric prefixes where necessary.

1kV/34.5kΩ = [_____] A
A: 30m

Q: The source can be thought of as the potential energy for current flow to happen.  When a path is provided between the negative and positive terminals of the source the circuit now has _________ energy.
- kinetic (the energy is in motion)
- static (the energy is still stored)
A: kinetic (the energy is in motion)

Q: When a suitable pathway between the source's terminals is established, ______.
- nothing happens
- current flows
- voltage is created
A: current flows

Q: The amount of current flow in a circuit is proportional to the _____________ that created it.
- voltage source
- resistance
- electron
- pathway
A: voltage source

Q: Current flow in a circuit is inversely proportional to the _______ of the pathway.
- voltage source
- resistance
- electron
- pathway
A: resistance

Q: If a pathway between the source's terminals has a very _____ resistance, little current will flow.  If a pathway has a low resistance, it will have a _____ amount of current flow.
- low, small
- high, high
- low, high
- high, small
A: high, high

Q: Electrons flow in a circuit at _________.
- the speed of light
- the speed of sound
- relatively slowly
- faster than the speed of light
A: relatively slowly

Q: A resistor is an electronics component having a specific resistance.  They are used to __________ current flow within a circuit.
- decrease
- increase
- create
A: decrease

Q: Voltage (V) is ___________________ and its unit is the __________.
- a flow of current, ampere
- an opposition to current, ampere
- a potential difference, volt
- a resistance to current, Resistor
A: a potential difference, volt

Q: Current (I) is ___________________ and its unit is the __________.
- a resistance to current, Resistor
- a quantitative value of electron current flow, ampere
- an opposition to current, ampere
- a potential difference, volt
A: a quantitative value of electron current flow, ampere

Q: Resistance (R) is ___________________ and its unit is the __________.
- a flow of current, ampere
- an opposition to current, Ohm
- a resistance to ohms, Resistor
- a potential difference, volt
A: an opposition to current, Ohm