WorksheetsElectricity Review
Total questions: 25
Worksheet time: 42mins
Name
Class
Date
1.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
chris barton
2.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
3.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
4.
A conductor is?
a)
material that current can pass through easily
b)
material that current cannot pass through easily
c)
magnet
d)
electric current
5.
Insulator is?
a)
material that current can pass through easily
b)
material that current cannot pass through easily
c)
magnet
d)
static electricity
6.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
7.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
8.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
9.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs.
10.
Resistance is measured in ___.
a)
watts.
b)
amps.
c)
ohms.
11.
Ohm's law states that:
a)
V=IR
b)
V=I/R
c)
V=R/I
d)
V=I+R
12.
What is current measured in?
a)
Volts
b)
Amperes (Amps)
c)
Ohms
d)
Coulombs
13.
Which of the following is not a good conductor of electricity?
a)
copper
b)
silver
c)
Glass
d)
aluminum
14.
A 20-volt relay has a coil resistance of 200 ohms. How much current does it draw? V=IR, P=IV
a)
0.10 A
b)
10 A
c)
400 A
d)
4000 A
15.
If a small appliance is rated at a current of 10 amps and a voltage of 120 volts, the power rating would be ______ Watts. (V = IR, P = I V )
a)
12 W
b)
120 W
c)
1200 W
d)
0.083 A
16.
What is the total resistance?
a)
8.0
b)
36
c)
12
d)
0.13
17.
What is the total resistance?
a)
25
b)
5.0
c)
0.17
d)
6.0
18.
What is the total resistance?
a)
30.
b)
10.
c)
0.15
d)
6.7
19.
What is the total resistance?
a)
3.0
b)
0.34
c)
30.
d)
26
20.
What must be the same for all three resistors?
a)
current
b)
voltage
c)
energy
d)
power
21.
What must be the same for both resistors?
a)
current
b)
voltage
c)
energy
d)
power
22.
What is the current leaving the battery?
a)
3 A
b)
0.67 A
c)
1.5 A
d)
2 A
23.
The current supplied by a battery is 0.22 amps. What is the potential difference across a 25 ohm resistor?
a)
5.5 V
b)
110 V
c)
0.0088 V
d)
0.04 V
24.
A single 18 V battery is connected in series with two identical 12 ohm resistors. What is the current moving through the first resistor?
a)
3.0 A
b)
0.75 A
c)
0.67 A
d)
1.5 A
25.
A single 14 V battery is connected in series with two identical 10. ohm resistors. What is the current moving through the first resistor?
a)
0.70 A
b)
1.4 A
c)
2.8 A
d)
140 A
100 %
