# CDS GENERAL SCIENCE QUIZ 9

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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.