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WorksheetsPhysics: Charge
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
As we increase thickness of a wire, what happens to resistance?
a)
Increases
b)
Decreases
c)
Not affected
d)
It exploooodes
2.
Which of the following an insulator?
a)
copper
b)
wood
c)
silver
d)
salt water
3.
How do two negative charges interact when they are brought close together?
a)
repel
b)
no interaction
c)
attract
d)
ground
4.
An object becomes postiively charged when which of the following occurs?
a)
loses electrons
b)
gains electrons
c)
loses protons
d)
gains neutrons
5.
Lightning is _____.
a)
a buildup of neutrons
b)
harmless
c)
a high-voltage electric current
d)
a large discharge of static electricity
6.
What does the Greek letter Ω, (i.e. Omega) represent?
a)
amps
b)
volts
c)
watts
d)
ohms
7.
Current is measured in what unit?
a)
ohms
b)
volts
c)
watts
d)
amps
8.
Resistance is measured in what unit?
a)
ohms
b)
amps
c)
watts
d)
volts
9.
Potential difference is another term for
a)
current
b)
voltage
c)
energy
d)
watts
10.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
11.
The mathematical relationship between Voltage, Current, and Resistance:
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
12.
As the number of resistors increase, the total resistance ___________ and the total current ____________
a)
Decreases, decreases
b)
Decreases, increases
c)
Increases, increases
d)
Increases, decreases
13.
A light circuit is operating at 75 Volts. What is the circuit's current if the resistance is 5 Ohms?
a)
375 Amps
b)
50 Amps
c)
15 Amps
d)
0.07 Amps
14.
A charged system is producing 14.5 Volts with a current of 43.5 Amps, what is the circuit's resistance?
a)
58 Amps
b)
0.33 Amps
c)
13 Amps
d)
3 Amps
15.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
16.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
17.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
18.
As we increase length of a wire, what happens to resistance?
a)
Increases
b)
Decreases
c)
Not affected
d)
River dance happens
19.
As temperature of a metal filament increases, what happens to resistance?
a)
Increases
b)
Decreases
c)
Not affected
d)
Resistance sings "electric love"
20.
What is electric flow?
a)
current
b)
electrons
c)
lazy river
d)
light bulb
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