The resistance of an electric bulb drawing 1.2 A current at 6, 0 V is ______. 1.

Question

The resistance of an electric bulb drawing 1.2 A current at 6, 0 V is ______. 1. 0.5 Ohm 2. 5Ohm 3. 0.2 Ohm 4. 2Ohm The work done in moving a unit positive charge across two points in an electric is a measure of _____. 1. current 2. potential difference 3. resistance 4. power Joule i Coulomb it same as _____ 1. watt 2. volt 3. ampere 4. ohm The potential at a point is 20 V. The work done to bring a charge of 0.5 C from infinity to this point will be _________. 1. 20 J 2. 10 J 3.5J 4.40J The current in a wire _________ 1. depends only on the potential difference applied 2. depends only on the resistance of the wire 3. depends on both resistance and potential difference 4. dews not depend on resistance and potential difference

Explanation / Answer

15) By using ohms law,

Resistance is given by R= V/I

= 6/1.2

= 5 ohm

second option is correct

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