Short Quiz

Question 1 of 5

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Electrical resistivity of a given metallic wire depends upon

A its length. B its thickness. C its shape. D nature of the material.

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Question 2 of 5

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Two bulbs of 100 W and 40 W are connected in series. The current through the 100 W bulb is 1 A. The current through the 40 W bulb will be:

A 0.4 A B 0.6 A C 0.8 A D 1 A

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Question 3 of 5

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Which of the following represents voltage?

A Work done/Current × Time B Work done × Charge C Work done×Time/Current D Work done × Charge/Time

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Question 4 of 5

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An electric kettle consumes 1 kW of electric power when operated at 220 V . A fuse wire of what rating must be used for it?

A 1 A B 2 A C 4 A D 5 A

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Question 5 of 5

NCERT Exemplar

A cell, a resistor, a key, and ammeter are arranged as shown in the circuit diagrams of Figure. The current recorded in the ammeter will be:

A maximum in (i). B maximum in (ii). C maximum in (iii). D the same in all the cases.

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Class 6