
Electrical Measurements and Practical Investigations

Interactive Video
•
Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to learn about required practicals in exams?
They make up a significant portion of exam marks.
They are optional.
They are fun to do.
They are not related to the exam.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main factor being investigated in this practical?
The length of the wire
The color of the wire
The brand of the ammeter
The type of battery used
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equipment is used to measure the current in the circuit?
Crocodile clips
Battery
Ammeter
Voltmeter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a straight line through zero on the graph indicate?
Resistance decreases with length
No relationship between resistance and length
Resistance is directly proportional to length
Resistance is inversely proportional to length
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a zero error?
An error that can be corrected by repeating the experiment
A reading when the value should be zero
An error that occurs only at high temperatures
An error that can be ignored
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes zero error in this experiment?
High room temperature
Misalignment of crocodile clips
Incorrect battery voltage
Using a short wire
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can heating effects be minimized during the experiment?
Using a thicker wire
Using a low potential difference and turning off the current between readings
Keeping the current on continuously
Using a high potential difference
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