IGCSE Physics Paper-1: Specimen Questions with Answers 97 - 98 of 109
Question number: 97
Question
The diagram shows a torch containing two batteries, a switch and a lamp.
Diagram of Torch Containing Two Batteries
Figure shows the simple diagram of a torch consist of two battery, a switch and a bulb.
What is the circuit diagram for the torch?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |  Circuit Diagram for Torch (Choice A) Figure shows the circuit diagram of torch. |
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| b. |  Circuit Diagram for Torch (Choice B) Figure shows the circuit diagram of torch. |
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| c. |  Circuit Diagram for Torch (Choice C) Figure shows the circuit diagram of torch. |
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| d. |  Circuit Diagram for Torch (Choice D) Figure shows the circuit diagram of torch. |
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Answer
a.Explanation
According to figure of the torch both cells are in series with battery and bulb. So only figure of choice A gives this type of proper arrangement of the electric component. So choice A is correct.
Question number: 98
Question
A polythene rod repels an inflated balloon hanging from a nylon thread. What charges must the rod and the balloon carry?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | The rod is charged but the balloon is not. |
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| b. | The balloon is charged but the rod is not. |
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| c. | The rod and the balloon carry opposite charges. |
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| d. | The rod and the balloon carry like charges. |
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Answer
d.Explanation
The like charges always repel and the opposite charges always attract to each other.
Here a polythene rod repels an inflated balloon hanging from a nylon thread. Therefore rod and balloon carry like charges.