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Science Nine Chapter Eight
Test Description: Science 9 chapter 8
Instructions: Answer all questions to get your test result.
1) Which of the following could be used to measure the amount of potential difference in a circuit?
A
ammmeter
B
electroscope
C
electrode
D
voltmeter
2) What is the unit for measuring potential difference?
A
coulomb (C)
B
metre (m)
C
second (s)
D
volt (V)
3) In an alkaline AA battery, the electrolyte could be described as
A
a moist paste
B
a copper electrode
C
an acid solution
D
a fluid
4) Which of the following is not a major part of an electric circuit
A
meter
B
conductor
C
load
D
source
5) Which of the following is not an example of an electric load?
A
a light bulb
B
a heater
C
a motor
D
a generator
6) A 6V battery is connected to a 10 Ohm resistor. What is the current flowing in the circuit?
A
1.67A
B
60A
C
4A
D
0.6A
7) Which of the following occurs if resistance is increased in a circuit?
A
voltage will increase and current will decrease
B
voltage will decrease and current will increase
C
both voltage and current will increase
D
both voltage and current will decrease
8) Current is measured with a(n)
A
ammeter
B
amperemeter
C
voltmeter
D
electroscope
9) Electrons flow from where to where in an electrical circuit?
A
from the battery to the lightbulb
B
from the cathode to the anode
C
from the anode to the cathode
D
from the lightbulb to the battery
10) Cathodes and anodes are examples of
A
electrodes
B
batteries
C
electrochemical cells
D
voltage
*select an answer for all questions
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