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WorksheetsBasics of electric circuits section (1)
Total questions: 15
Worksheet time: 15mins
A material in which electrons are not able to move easily is called
Insulators
Conductors
Copper is used in wiring because it is an excellent______________ of electricity.
Circuit breaker
Conductor
Insulator
Fuse
What is the flow of electric charges called
Voltage
Current
Resistance
Electricity
A closed path that electric current flows is a
Circuit
Series Circuit
Parallel Circuit
What is the unit of measurement for current
Ohm
Ampere
Volt
Watt
What it the formula to find voltage.
E=VQ
V=IR
P=VI
I=V/R
Why do electricians always wrap copper wires in plastic or rubber?
Plastic and rubber come in many different colors
Plastic and rubber are good electrical conductors
Plastic and rubber make the wires easy to bend
Plastic and rubber are good electrical insulators
The relationship between voltage, current, and resistance is described by....
Ohm's Law
Kirkchoff's Law
Coulomb's Law
The electric potential energy of a circuit is sometimes called the ________________.
Current
Resistance
Voltage
Power
What needs to be done to this circuit so that the lamp lights up?
Close the switch
Add a source and close the switch
Add another lamp
Add another lamp and a switch
Which equation can be rearranged to calculate the the electric current given?
I = Q ÷ t
Q = It
I = Qt
I = t ÷Q
Which equation can be rearranged to calculate the time?
t = IQ
t = Q ÷ I
Quantity of charge can be measured in
time (s)
Ampere (A)
Joule (J)
coulombs (C)
The amount of energy used to move one coulomb of electrons through the circuit is its
current
voltage
resistance
An electric current that has constant magnitude and direction over time is known as a(n
direct current
alternating current
simple current
