Question Guide – DC Circuit – MCQ
Question:
The diagram shows two identical lamps L1 and L2 connected to a rheostat and a battery.

What happens to the brightness of the lamps as the contact J is moved towards the end X of the rheostat?
The diagram shows two identical lamps L1 and L2 connected to a rheostat and a battery.

What happens to the brightness of the lamps as the contact J is moved towards the end X of the rheostat?
L1 | L2 | |
---|---|---|
A | brighter | dimmer |
B | brighter | brighter |
C | dimmer | brighter |
D | dimmer | dimmer |
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This question is related to the topic “DC Circuit” in Physics tuition for O Level.
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Question Guide – DC Circuit – MCQ ultima modifica: 2017-10-19T09:55:15+00:00 da