Current Electricity-I Physics Test Series IIT JEE

Test Preparation on Current Electricity - I - Physics Test Series IIT JEE-2020

1.

11
22
33
44

Ammeter is always connected in series and Voltmeter is
always connected in parallel.

2.

The length of a given cylindrical wire is increased by 100 %.
Due to the consequent decrease in diameter the change in
the resistance of the wire will be

1300 %
2200 %
3100 %
450 %

3.

A strip of copper and another of germanium are cooled from
room temperature to 80 K. The resistance of

1Each of these increases
2Each of these decreases
3Copper strip increases and that of germanium decreases
4Copper strip decreases and that of germanium increases

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