Worksheets7.1 Electricity And Magnetism
Total questions: 23
Worksheet time: 23mins
Name
Class
Date
1.
In a static discharge, which particles move from one object to another?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
2.
What type of energy is stored in an object that is compressed, stretched or bent?
a)
Gravitational potential energy
b)
Elastic potential energy
c)
Kinetic energy
d)
Electrical energy
3.
What is produced on a balloon after it is rubbed with a woolen cloth?
a)
Electrostatic charges
b)
Electric current
c)
Voltage
d)
Resistance
4.
What instrument can be used to detect electrostatic charges?
a)
Electroscope
b)
Telescope
c)
Microscope
d)
Periscope
5.
What is an ammeter used to measure?
a)
Electric current
b)
Voltage
c)
Resistance
d)
Magnetism
6.
What is a voltmeter used to measure?
a)
Electric current
b)
Voltage
c)
Resistance
d)
Magnetism
7.
What is the unit for electric current?
a)
Ampere
b)
Volt
c)
Ohm
d)
Tesla
8.
What is the unit for voltage?
a)
Ampere
b)
Volt
c)
Ohm
d)
Tesla
9.
What is the unit for resistance?
a)
Ampere
b)
Volt
c)
Ohm
d)
Tesla
10.
what is the unit for energy?
a)
newton
b)
joule
c)
force
d)
volt
e)
ampere
11.
what is the name of negative charge?
a)
neutron
b)
electron
c)
proton
d)
nucleus
12.
what is the name of this tool?
a)
insulator
b)
dosimeter
c)
electroscope
d)
microscope
13.
p is positively- charged.
what charge is Q?
a)
positive
b)
negative
c)
neutral
14.
What letter represents Current?
a)
A
b)
I
c)
R
d)
E
15.
What is resistance measured in?
a)
Ω (ohm)
b)
V (volt)
c)
A (ampere)
d)
W (watt)
16.
What is current measured in?
a)
Ω (ohm)
b)
V (volt)
c)
A (ampere)
d)
W (watt)
17.
How do you calculate voltage?
a)
Current X Resistance
b)
Resistance ÷ Current
c)
Current ÷ Resistance
d)
Measure it with a ruler
18.
How do you calculate current
a)
Resistance X Voltage
b)
Voltage X Resistance
c)
Resistance ÷ Voltage
d)
Voltage ÷ Resistance
19.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
20.
What resistance is needed to cause a 20A current flow because of a 100V battery?
a)
0.2Ώ
b)
2000Ώ
c)
120Ώ
d)
5Ώ
21.
How many Volts would it take to push 1 A through a resistance of 1 Ω
a)
10 V
b)
1 V
c)
48 V
d)
5 V
22.
What size resistor would produce a 3 A current flow with a 12 V battery
a)
1 Ω
b)
3 Ω
c)
4 Ω
d)
12 Ω
23.
How many Volts would we need to produce a current flow of 8 A through a 6 Ω resistor
a)
12 V
b)
24 V
c)
1.3333 V
d)
48 V
100 %
