WorksheetsChapter 8.2 - Electrical Circuits and Electrical Power
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
1.) Page 196- A complete path through which electric current travels is called an ____________ ___________.
a)
magnetic circuit
b)
electric circuit
c)
complete circuit
2.
2.) Page 196- Wires are like ___________ for electric current.
a)
holes
b)
switches
c)
pipes
3.
3.) Page 197- Current only flows when there is a complete and unbroken path called a closed circuit.
a)
True
b)
False
4.
4.) Page 197- Flipping a switch to off makes a(n) __________ circuit.
a)
open
b)
closed
c)
confusing
5.
5.) Page 197- Can current leak out of an open circuit?
a)
yes
b)
no
6.
6.) Page 198- Electrical Power is measured in ____________, just like mechanical power.
a)
amps
b)
jolts
c)
watts
d)
energies
7.
7.) Page 198- Voltage is power (watts) per amp of current.
a)
True
b)
False
8.
8.) Page 199- When resistance is ______, current flows easily.
a)
low
b)
high
c)
even
9.
9.) Page 199- Electrical Resistance is measured in ______________.
a)
watts
b)
volts
c)
amps
d)
ohms
10.
10.) Page 199- What happens to the current if the resistance increases?
a)
The current increases
b)
The current decreases
c)
The current stays the same
11.
11.) Page 201- Materials with a low electrical resistance, such as copper or aluminum are good ___________________________.
a)
Conductor
b)
insulator
12.
12.) Page 201- A material with a high resistance, such as plastic or rubber are good _____________________.
a)
Conductors
b)
Insulators
13.
13.) Page 201 - Water ________________ resistance.
a)
increases
b)
decreases
c)
doesn't change
100 %
