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Question 1:

Sliding friction is

Question 2:

Purity of Gold can be determined with the help of

Question 3:

The dimensional formula for universal gravitational constant is ?

Question 4:

A permanent magnet repels only -

Question 5:

Fleming's right hand rule is used to find the direction of which of the following?

Question 6:

What is the maximum number of different electrical combinations possible with three equal resistances?

Question 7:

An intrinsic semiconductor at absolute zero temperature is a -

Question 8:

Two resistances when connected in parallel give resultant value of 2 ohm; when connected in series the value becomes 9 ohm. Calculate the value of each resistance.

Question 9:

Four resistances of 16 ohms each are connected in parallel. Then the equivalent of such four resistances is connected in series. What would be the total resistance?

Question 10:

Find the energy in kWh consumed in 10 hours by four devices of power 500 W each.