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WorksheetsDD3
Total questions: 10
Worksheet time: 5mins
the negatively charged portion of the atom is
the neutron
the nucleus
the proton
the electron
The positively charged portion of the atom is
the neutron
the nucleus
the proton
the electron
state the difference between static and current electricity
Which of the following are examples of current electricity
Clouds
Car batteries
Power outlet
Electric charge from a balloon
an electric circuit must include
a light bulb
a power source
a resistor
a battery
a power circuit must include
multiple batteries
an electrical load
an ampimeter
a conductor to carry the current
An electrical circuit has a potential of 3 volts and a resistance of 1.5 ohms. The current of the circuit is
2 amps
0.5 amps
4.5 amps
6.75 amps
The strength of an electromagnet can be increased by
decreasing the current in the wire
increasing the current in the wire
removes any metallic portions
increasing the coil of the wire
Electric motors
produce electricity
depend on the presence of a strong electromagnet
generate movement
depend on a process known as electromagnetic induction
Generators
transforms electricity into mechanical energy
depend on moving a coil between the poles of a magnet
depend on the presence of a wire coiled around a metal rod
are used in kitchen machines
