NDA PHYSICS QUIZ - 9

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Question 1:

Which of the following is also known as safety wire?

Question 2:

Which of the following is not based on heating effect of electric current?

Question 3:

How much energy is transferred by a 12 V power supply to each coulomb of charge which it moves around a circuit ?

Question 4:

An electric bulb has a thin wire called-

Question 5:

The resistance of a conductor depends up on its- 

Question 6:

Which of the following is the correct depiction for joule’s law of heating?

Question 7:

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

Question 8:

An electric generator works on the principle of-

Question 9:

Galvanometer is used to detect the presence of which of the following ?

Question 10:

An electric circuit is consisting of a cell, an ammeter and a nichrome wire of length l. If the length of the wire is reduced to half (l/2), then the ammeter reading-