RRB GROUP D Physics Quiz - 19

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Question 1:

Why kerosene oil rises up the wick in a lantern?

Question 2:

What are the three elements of a bipolar transistor?

Question 3:

The potential energy of a system increases if work is done-

Question 4:

The direction of magnetic field around a current carrying metallic wire is given by- 

Question 5:

Which of the following is true for a Car running at a constant velocity on a uniform straight road?

Question 6:

A temperature of 295 K is equivalent to approximately:

Question 7:

Which of the following converts electrical energy to mechanical energy?

Question 8:

Energy is continuously created in the sun due to –

Question 9:

Which of the following is widely used in making semiconductor chips?

Question 10:

A spherical mirror whose reflecting surface is curved outwards is called a _____________ mirror.