Physics
Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

1 only
1 and 2 only
1, 2 and 3
2 and 3 only

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Physics
Absolute Zero is defined as

The temperature at which all molecular motion ceases
At which the volume becomes zero
At which water boils at 298K
At which liquid Helium boils

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Physics
Circuit breaker usually operate under

Steady state of short-circuit current
Transient state of short-circuit current
Sub-transient state of short-circuit current
After D. C. component has ceased

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