IIT JEE : Current Electricity QUESTIONS AND ANSWERS :: part1 : 21 to 25
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
21.Which of the following is likely to have the largest resistance? |
| Moving coil galvanometer |
| An ammeter of range 1A |
| A voltmeter of range 10V |
| A copper wire of length 1 m and diameter 3 cm |
22.To convert a galvanometer into an ammeter, we should connect: |
| a low resistance in series with it |
| a high resistance in series with it |
| a low resistance in parallel with it |
| a high resistance in parallel with it |
23.A fuse wire of radius 0.2 mm blows out for a current of 5 A. For what current, another fuse wire of same material but of radius 0.3 mm will blow out? |
| 5 A |
| 3.2 A |
| 4.33 A |
| 11.2 A |
24.Overloading of an electric circuit implies: |
| drawing of large current |
| connecting high resistance device |
| connecting a large number of electric devices in series with the power supply |
| none of the above |
25.Two resistances are connected in parallel and a current is sent through the combination. The current divides itself: |
| in the inverse ratio of resistances |
| in the direct ratio of resistances |
| equally in both the resistances |
| in none of the above manner |
More Current Electricity QUESTIONS AND ANSWERS available in next pages
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