Physics
Negative feedback in amplifiers

Decreases bandwidth and decreases noise
Increases bandwidth and increases noise
Decreases bandwidth and increases noise
Increases bandwidth and decreases noise

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Physics
When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is

Above a certain minimum value depending on amount of water in the pail
Below a certain minimum value depending on amount of water in the pail
Above a certain minimum value irrespective of amount of water in the pail
Below a certain minimum value irrespective of amount of water in the pail

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Physics
Acceleration is

Directly proportional to force
Inversely proportional to mass
Inversely proportional to force
Directly proportional to mass

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