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Q 1/36
Score 0
Name the electrical component that only allows current to flow in one direction
30
diode
resistor
switch
thermister
Q 2/36
Score 0
Name the electrical component that limits the flow of electrical current.
30
bulb
cell
resistor
fuse
36 questions
Q.
Name the electrical component that only allows current to flow in one direction
1
30 sec
Q.
Name the electrical component that limits the flow of electrical current.
2
30 sec
Q.
What is the correct unit for charge
3
30 sec
Q.
What is the correct formula to calculate charge when you know current and time?
4
30 sec
Q.
State the two factors that affect a current that flows through an electrical component?
5
30 sec
Q.
To correctly measure the potential difference within a circuit, how should the voltmeter be placed?
6
30 sec
Q.
What is the equation that links potential difference, energy transferred and charge.
7
30 sec
Q.
Convert 650 mA to amperes
8
30 sec
Q.
Which model of the atom can be described as a sphere of positive charge with negative electrons embedded in it?
9
30 sec
Q.
What are the vertical columns on the periodic table known as?
10
30 sec
Q.
Why did Mendeleev leave gaps in his early periodic table?
11
30 sec
Q.
What would be the correct state symbol for sugar dissolved in water?
12
30 sec
Q.
What is an alloy, and why are alloys stronger than pure metals
13
30 sec
Q.
How can a reactive metal, such as Aluminium, be extracted from its ore?
14
30 sec
Q.
Atoms of the same element, with the same number of protons, but a different number of neutrons, are called
15
30 sec
Q.
Magnesium - a group 2 metal - forms what ion when it reacts?
16
30 sec
Q.
The elements of Group 8 are:
17
30 sec
Q.
What are the products of the reaction between sodium and water?
18
30 sec
Q.
The equations of a vertical line is of the form
19
30 sec
Q.
In the line equation y = mx +c the parameter m represents the...
20
30 sec
Q.
The solutions of a quadratic equation of the form ax^2 + b x + c = 0 are found
21
30 sec
Q.
Pythagoras' theorem allows us to relate the lengths of the sides of a right angled triangle in the following way where a and b are the lenghs of the short sides and c is the hypotenuse.
22
30 sec
Q.
A sector of a circle is
23
30 sec
Q.
Calculating an area must include
24
30 sec
Q.
The â symbol means
25
30 sec
Q.
The area of a circle is found by the formula
26
30 sec
Q.
What type of programming language is Python?
27
30 sec
Q.
What does a variable do in a program?
28
30 sec
Q.
Which of the following best describes a list in Python?
29
30 sec
Q.
What is the index of the first item in a Python list?
30
30 sec
Q.
Which statement about IF statements in Python is true?
31
30 sec
Q.
What does the print() statement do in Python?
32
30 sec
Q.
Is input and example of a function of a procedure
33
30 sec
Q.
What does input() do in Python?
34
30 sec
Q.
Which of these Python statements will give you the length of a string?
35
30 sec
Q.
Which of the following is true about a low-level programming language?