RRB GROUP D Physics Quiz - 56

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Question 1:

A device which is used to limit the current in an electrical circuit is called a -

Question 2:

Two rods, one of copper and other of steel, experience the same upthrust when placed in water. Thus, both have –

Question 3:

Energy is continuously created in the sun due to –

Question 4:

A falling drop of rain water ac-quires the spherical shape due to  ?

Question 5:

A spherical ball made of steel when dropped in mercury container will–