Physics
Kirchoff's Voltage Law is known as

None of these
Both
Conservation of Charge
Conservation Energy

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Physics
Water pipes in hilly areas often burst on a cold frosty night, because

The material of which pipes are made contracts due to cold and so breaks
Water in the pipes freezes and on freezing water expands, so pipes break
None of these
Frost makes the pipes rusty, so they break

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Physics
Acceleration is

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

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