Physics
One Kilowatt hour is equal to -

3.8 Mega Joule
3.6 Mega Joule
3.2 Mega Joule
4.0 Mega Joule

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Physics
Super conductors are substances that

Conduct electricity at high temperature
Conduct electricity at low temperature
Offer minimum resistance to flow of electric current
Offer high resistance to the flow of electric current

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Physics
Which statement best describes an igneous intrusion?

Magma is injected into surrounding rock forming an igneous intrusive
Magma explodes to the surface and forms a smooth outer layer of rock
Igneous intrusion for when ice crystals splash into lava
Magma is exported to an open area and forms iron

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