Electricity and Circuits [NSO Level 2- Science Olympiad (SOF) Class 6]: Questions 1 - 2 of 2
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Question 1
Appeared in Year: 2013
Question MCQ▾
In given figure, which of the following switches need to be closed to change electrical energy to only sound energy?
Choices
Choice (4) | Response | |
---|---|---|
a. | A, B, C, and E | |
b. | A, B, D, and E | |
c. | A, C, and E | |
d. | A, B, and C |
Question 2
Appeared in Year: 2013
Question MCQ▾
A metal wire was tied between two wooden poles.
The given figures show the observations during different weather conditions.
What do you infer from the figures?
Choices
Choice (4) | Response | |
---|---|---|
a. | The metal wire contracts on cold days. | |
b. | The metal wire expands on cold days. | |
c. | The wooden poles contract on cold days. | |
d. | The wooden poles expand on hot days. |