Physics
In electronics what comes under tank circuit ?

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

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Physics
It is more difficult to walk on a sandy road than on a concrete road because

the friction between sand and feet is less than that between concrete and feet.
the friction between sand and feet is more than that between concrete and feet.
the sand is grainy but concrete is smooth.
sand is soft and concreter is hard.

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