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WorksheetsPhysics, Electric Force and Fields Pre Assessment
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
When electrical charge moves continuously in one direction through a conductor. it is called ______.
a)
alternating current
b)
live
c)
direct current
d)
electrolosis
2.
When electrical charge moves back and forth through a conductor. it is called ______.
a)
alternating current
b)
live
c)
direct current
d)
electrolosis
3.
When electrical voltage is the same across all loads in a circuit the system is wired in ______.
a)
series
b)
parallel
c)
complex
d)
correctly
4.
When electrical voltage of the source is equal to the sum of all loads in a circuit the system is wired in ______.
a)
series
b)
parallel
c)
complex
d)
correctly
5.
The most common source of DC voltage is _______.
a)
a home wall outlet
b)
a generator
c)
a battery
d)
circuit board
6.
Identify this symbol.
a)
Lamp
b)
AC voltage source
c)
Battery
d)
Resistor
7.
Identify this symbol.
a)
Lamp
b)
AC voltage source
c)
Battery
d)
Resistor
8.
Identify this symbol.
a)
Lamp
b)
AC voltage source
c)
Battery
d)
Resistor
9.
Identify this symbol.
a)
Lamp
b)
AC voltage source
c)
Switch
d)
Resistor
10.
Identify this symbol.
a)
Lamp
b)
AC voltage source
c)
Switch
d)
Resistor
11.
When frequency and hertz are used to describe electrical current, they are describing _____ voltage.
a)
Alternating current
b)
Direct current
c)
Battery
d)
Static electric
12.
Voltage is considered a forcelike quantity for all the following statements except _______.
a)
moves electrons through a circuit
b)
pushes conductors around the circuit
c)
acts a a prime mover of electric charge
d)
is found in electrical circuits
13.
Which of the following are NOT a type of voltmeter?
a)
Panel meter
b)
Digital multimeter
c)
Oscilloscope
d)
Ohmmeter
14.
All of the following are true about AC current except for _____.
a)
is available from an automobile battery.
b)
moves back and forth in conducting wires.
c)
in an abreviation for 'alternating current'.
d)
can be produced from a generator.
15.
Calculate the voltage that would be registered by a voltmeter for this circuit.
a)
1.5 V
b)
3.375 V
c)
3 V
d)
4.5 V
16.
Calculate the voltage that would be registered by a voltmeter for this circuit.
a)
1.5 V
b)
3.375 V
c)
3 V
d)
4.5 V
17.
In the electrical circuit with parallel loads (R) shown here, the voltage measured across the battery (Vs), when the switch is closed, is given by the equation ______.
a)
Vs = V1 + V2 + V3 + V4
b)
Vs = V1 - V2 - V3 - V4
c)
Vs = V1 = V2 = V3 = V4
d)
Vs = (V1 + V2) / (V3 + V4)
18.
Calculate the current if the DC voltage source is 12 volts and each lamp has a resistance of 1.2 ohms for this series circuit.
a)
2.4 A
b)
5 A
c)
9.6 A
d)
28.8 A
19.
Calculate the current if the DC voltage source is 6 volts and each lamp has a resistance of 1.2 ohms for this series circuit.
a)
2.5 A
b)
5 A
c)
3.6 A
d)
14.4 A
20.
If your meter is set to DC 10 volts what is the reading on this analog meter?
a)
4.1 V
b)
4.2 V
c)
4.8 V
d)
35 V
21.
If your meter is set to DC -200 volts what is the reading on this analog meter?
a)
84 V
b)
-84 V
c)
96 V
d)
-96 V
22.
If your meter is set to DC 100 volts what is the reading on this analog meter?
a)
60 V
b)
640 V
c)
6 V
d)
17 V
23.
If your meter is set to AC 2.5 volts what is the reading on this analog meter?
a)
1.60 V
b)
1.5 V
c)
6 V
d)
1.7 V
24.
The basic parts of a circuit include all of the following except _______.
a)
Source
b)
Conductor
c)
Switch
d)
Oscilliscope
25.
Ohms Law states
a)
V = IR
b)
V = R/I
c)
R = VI
d)
I = VR
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