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Worksheetselectricity
Total questions: 20
Worksheet time: 10mins
Who invented the battery, that is safe and dependable source of electricity?
Thomas Edison
Alessandro Volta
Ben Franklin
Insull
who discover electricity using a kite experiment?
Thomas Edison
Ben Franklin
Michael Faraday
Alessandro Volta
What form of electricity that sometime called “electricity at rest”?
Static Electricity
Current electricity
Direct Current Electricity
Alternating current electricity
It refers to the opposite flow of current called __________.
voltage
resistance
current
amperes
electrical pressure that causes the electrons to move through a conductor is called ______
amperes
voltage
current
resistance
Which of the following refers to the amount of current flow, sent by one volt through the resistance of one Ohm?
voltage
amperes
current
resistance
Which of the following refers to the intensity of the flow of electrons in a conductor?
resistance
current
amperes
voltage
Which part of the electric circuit that provides power to the circuit?
load
source
switch
path
Which of the following is correct statement of Ohm's Law ?
When current increases in a circuit, voltage increases and resistance increases
When current increases in a circuit, voltage decreases and resistance increases.
When current increases in a circuit, voltage increases while resistance remains constant.
When current decreases in a circuit, voltage decreases and resistance increases.
It supplies energy in an electric circuit.
load
path
switch
source
It converts electrical energy into different forms of energy such as light, heat, or sound in an electric circuit.
load
switch
voltage source
conducting wire
A water heater has a resistance of 22 Ω connected to a 220-V voltage source. What is the needed current to operate the heater?
7 A
5 A
8 A
10 A
What is the SI unit of current?
volt
watt
ohm
ampere
Using Ohm's law, what is the equation to find resistance?
Current x Resistance
Voltage / Current
Voltage x Resistance
Voltage / Resistance
Using Ohm's law, what is the equation to find voltage?
Voltage x Resistance
Voltage / Resistance
Voltage / Current
Current x Resistance
If battery voltage is constant and the overall resistance of the circuit decreases, what else changes?
Voltage
resistance
current
wire diameter
Ohm’s law: If I have a 10 V DC battery and I need .02 A to power an LED what size resistor do I need.
220 Ohm
5 Ohm
500 Ohm
3.9 K Ohm
The term used for measuring the strength of an electric current is:
wattage
voltage
amperes
ohms
Safety devices that prevent the overheating of electric wires are known as:
fuses and busters
circuit breakers and volts
fuses and circuit breakers
fuses and conductors
To complete a circuit the switch must be
unattached
close
open
