NDA PHYSICS QUIZ - 8

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Question 1:

A Galvanometer can be converted into a voltmeter by –

Question 2:

Which of the following are good conductors of electricity?

Question 3:

Which of the following is the frequency of alternating current in India?

Question 4:

Fuse operates on which effect of electric current?

Question 5:

Three resistors of 1 ohm, 2 ohm and 3 ohm are connected in parallel combination. The total resistance of the three resistors should be –

Question 6:

The parallel combination is preferred over the series combination due to which of the following reasons?

Question 7:

The resistivity of a wire depends on which of the following?

Question 8:

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

Question 9:

If the potential difference between the end of a wire of fixed resistance is doubled, by how much does the electric power increase?

Question 10:

What is the colour of the neutral wire in household circuits?