WorksheetsSession Two Objectives
Total questions: 16
Worksheet time: 13mins
Current is defined as the flow of __________.
electrons
protons
neutrons
atoms
Voltage is defined as the electrical potential difference between two points.
The electrical potential difference between two points
The flow of electric charge
The resistance to the flow of current
The power consumed by a circuit
Resistance is defined as the opposition to the flow of electric current in a conductor. Which of the following best describes resistance?
The ability of a conductor to allow the flow of electric current
The opposition to the flow of electric current in a conductor
The measure of electric charge in a conductor
The potential difference across a conductor
Use Ohm’s law to solve for unknown circuit values.
Calculate the current if voltage is 10V and resistance is 5Ω.
Determine the voltage if current is 2A and resistance is 3Ω.
Find the resistance if voltage is 12V and current is 4A.
All of the above.
What is the ability of a charge to do work called?
A) Voltage
B) Potential
C) Current
D) Resistance
Electric charge is measured in ________.
coulombs.
joules.
watts.
newtons.
A battery creates an electric charge by:
storing static electricity
converting chemical energy into electrical energy
using magnetic fields
absorbing solar energy
What is the unit of measurement for current flow?
Volts (V)
Amps (A)
Ohms (Ω)
Watts (W)
Resistance is measured in ______ and represented in equations by the letter R.
ohms (Ω)
volts (V)
amperes (A)
watts (W)
What does Ohm's Law define?
Fill in the blank: The formula for current (I) in Ohm's Law is I = ___.
V/R
V*R
R/V
V+R
Which unit is used to measure resistance according to the table?
What is a coulomb?
A unit of electrical charge equal to 6.25 x 10^18 electrons
A unit of measurement for doing work
A unit of time
A unit of distance.
Fill in the blank: One joule is equal to one ________.
newton-meter (Nm)
watt-second (Ws)
coulomb-volt (CV)
pascal-cubic meter (Pa·m³)
Ohm's law is a statement of the relationships among current, voltage, and resistance in an electrical circuit: current (I) equals voltage (E) divided by resistance (R). Generally expressed as a mathematical formula: I = ____.
E/R
E*R
R/E
E+R
What are resistors in an electrical circuit?
Devices that store energy
Devices that resist the flow of electrons
Devices that increase current
Devices that convert energy
