Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
Give this quiz to my class
Q 1/32
Score 0
Which way do magnetic field lines point?
30
N to S
S to N
Q 2/32
Score 0
The following set of magnetic field lines are showing:
30
Repulsion
Attraction
32 questions
Q.
Which way do magnetic field lines point?
1
30 sec
Q.
The following set of magnetic field lines are showing:
2
30 sec
Q.
The above image shows the domains of a _________________________________ substance.
3
30 sec
Q.
The magnetic field is strongest when the magnetic field lines are far apart.
4
30 sec
Q.
A compass needle's north pole points towards ________________.
5
30 sec
Q.
Aurora happens when there is lots of sand that flies around on earth.
6
30 sec
Q.
The earth has a magnetic field because otherwise we would all float around in space.
7
30 sec
Q.
During a magnetic storm, all things on earth are attracted to things in space.
8
30 sec
Q.
During a magnetic storm, all aeroplanes will be grounded (will not fly).
9
30 sec
Q.
Protons and electrons fly around in the air.
10
30 sec
Q.
An object with an equal number of positive and negative charges is called ______________.
11
30 sec
Q.
A positively charged object has gained protons.
12
30 sec
Q.
Charged objects can attract uncharged objects.
13
30 sec
Q.
The net charge of an isolated system remains constant during any physical process. This is the principle of ____________________________.
14
30 sec
Q.
Two identical spheres on insulated stands carry charges of +2 nC and -3 nC respectively. Calculate the net charge of the system before contact.
15
30 sec
Q.
From before: Two identical spheres on insulated stands carry charges of +2 nC and -3 nC respectively. Calculate the net charge of the system after contact.
16
30 sec
Q.
From before: The spheres have charges of +2 nC and -3 nC respectively. Calculate the charge on each sphere after contact.
17
45 sec
Q.
Which sphere gains protons?
18
30 sec
Q.
Which sphere gains electrons?
19
60 sec
Q.
Calculate the charge transferred from the +2 nC sphere to the -3 nC sphere.
20
120 sec
Q.
Calculate the number of electrons that transferred.
21
120 sec
Q.
An electric circuit must have a power source, conducting wires and ___________________.
22
30 sec
Q.
An energy source produces charges.
23
30 sec
Q.
The emf is the potential difference of the battery when
24
30 sec
Q.
A voltmeter is always connected in
25
30 sec
Q.
How many coulombs of charge must pass through a light bulb with a potential difference of 200V across it when it radiates 100J of energy.
26
30 sec
Q.
Which of the two readings is higher, emf or terminal potential difference?
27
30 sec
Q.
An ammeter measures
28
30 sec
Q.
Conventional current flow is from
29
30 sec
Q.
What reading will an ammeter show if 300 C passes through it in 20 seconds.
30
60 sec
Q.
An Ohm is one coulomb per volt.
31
30 sec
Q.
Calculate the equivalent resistance of the above circuit.
