In the given figure, during exhalation the pressure at A should be pressure at B.

higher than

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lower than

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same as

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Solution

The correct option is A higher than
We know that air flows from higher pressure to lower pressure. During exhalation the pressure at A should be higher than pressure at B for air to flow from A to B.

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In the given figure, during exhalation the pressure at A should be pressure at B.

The correct option is A higher thanWe know that air flows from higher pressure to lower pressure. During exhalation the pressure at A should be higher than pressure at B for air to flow from A to B.

The correct option is A higher than
We know that air flows from higher pressure to lower pressure. During exhalation the pressure at A should be higher than pressure at B for air to flow from A to B.