
Understanding Equivalent Resistance in Series

Interactive Video
•
Physics
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of removing the key during the initial setup of the metre bridge?
To ensure the resistance box is properly connected
To allow the galvanometer to calibrate
To prevent current flow before the setup is complete
To check the battery voltage
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to ensure the resistance wire just touches the terminal in the metre bridge?
To ensure accurate resistance measurement
To prevent the wire from overheating
To avoid short-circuiting the setup
To allow the galvanometer to function properly
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balancing length measured from end A when using resistance wire r1?
60 cm
45 cm
50 cm
55.5 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balancing length measured from end A when using resistance wire r2?
55.5 cm
52.5 cm
57 cm
50 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When r1 and r2 are connected in series, what is the balancing length measured from end A?
30.7 cm
35.7 cm
40.7 cm
45.7 cm
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