WorksheetsElectricity and Magnetism
Total questions: 30
Worksheet time: 15mins
(T/F) The unit for current is ampere (A)
true
false
(T/F) Like charges attract and opposite charges repel
true
false
(T/F) An insulator is a material that does not transfer current easily
true
false
(T/F) A solenoid is a coil of wire with an electric current in it
true
false
(T/F) An electric circuit is the rate that electric charges move through a conductor.
true
false
What is an electric property of matter that creates electric and magnetic forces and interactions?
electric charge
electric force
electric field
electrical potential energy
What is the force of attraction or repulsion between objects due to charge?
electric charge
electric force
electric field
electrical potential energy
What is the region in space around a charged object that causes a stationary charged object to experience an electric force?
electric charge
electric force
electric field
electrical potential energy
What is the ability to move an electric charge from one point to another?
electric charge
electric force
electric field
electrical potential energy
Who first suggested the terms positive and negative?
Ben Franklin
Hans Christian Oersted
Michael Faraday
Who experimented with the effects of an electric current on the needle of a compass?
Ben Franklin
Hans Christian Oersted
Michael Faraday
Who discovered that a current can be produced by pushing a magnet through a coil of wire?
Ben Franklin
Hans Christian Oersted
Michael Faraday
The current in a resistor is 0.5 A when connected across a voltage of 120 V. What is its resistance?
240 ohm
0.0021 ohm
60 ohm
200 ohm
A 1.5 V battery is connected to a small light bulb with a resistance of 3.5 ohm. What is the current in the bulb?
0.43 A
2.3 A
5.25 A
0.33 A
A graphing calculator uses a 6.0 V battery and draws a 2.6 A of current. What is the power rating of the calculator?
15.6 W
0.43 W
2.31 W
5 W
The current in the heating element of an electric iron is 5.0 A. If the iron dissipates 590 W of power, what is the voltage across it?
118 V
0.0084 V
2950 v
20 v
What is a device that is a source of electrical current because of potential difference, or voltage, between the terminals?
electrical cell
schematic diagram
fuse
circuit breaker
What is a graphical representation of a circuit that uses lines to represent wires and different symbols to represent components?
electrical cell
schematic diagram
fuse
circuit breaker
What is an electrical device that contains a metal strip that melts when current exceeds a certain value?
electric cell
schematic diagram
fuse
circuit breaker
What is a switch that opens a circuit automatically when the current in the circuit exceeds a certain value?
electric cell
schematic diagram
fuse
circuit breaker
What is the opposition posed by a material or a device to the flow of current?
resistance
electrical energy
magnetic field
magnetic pole
What is the energy that is associated with charged particles because of their positions?
resistance
electrical energy
magnetic field
magnetic pole
What is a region where a magnetic force can be detected?
resistance
electrical energy
magnetic field
magnetic pole
What is a device that converts electrical energy into mechanical energy?
electric motor
Faraday's Law
transformer
generator
What is a device that increases or decreases the voltage of alternating currents?
electric motor
Faraday's Law
transformer
generator
What states that an electric current can be produced in a circuit by a changing magnetic field?
electric motor
Faraday's Law
transformer
galvanometer
Is 27 series or parallel?
series
parallel
Is 28 series or parallel?
series
parallel
Label the diagram (29)
resistor
battery
Label the diagram (30)
resistor
battery
