Physics
In electronics what comes under tank circuit ?

Resistance and capacity
Capacity and inductance
Resistance, capacity and inductance
Resistance and inductance

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

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

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