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CHETANA PUBLICATION-ELECTRIC CURRENT THROUGH CONDUCTORS-EXERCISE
- A 75 W lamp is designed to be used on 15 V. What is its resistance? If...
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- Choose correct alternative. You are given four bulbs of 25 W, 40 W, 6...
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- Choose correct alternative. Which of the following is an ohmic condu...
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- Choose correct alternative. A rheostat is used A. to bring on a know...
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- Choose correct alternative. The wire of length L and resistance R is...
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- Choose correct alternative. Masses of three pieces of wires made of ...
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- Choose correct alternative. The internal resistance of a cell of emf...
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- Choose correct alternative. 100 cells each of emf 5V and internal re...
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- Choose correct alternative. Five dry cells each of voltage 1.5 V are...
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- Choose correct alternative. A thick wire of resistance 25 Omega is d...
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- Choose correct alternative. A current of 1 mA is flowing in a copper...
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- Choose correct alternative. The emf of a primary cell is 2 volt. Whe...
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- Choose correct alternative. When two resistances are connected in pa...
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- Choose correct alternative. The resistance of a conductor is 60 Omeg...
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- Choose correct alternative. The following wires are made of same mat...
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- Choose correct alternative. Ohm's law is valid for A. only metalli...
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- Choose correct alternative. The specific resistance of the material ...
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- Choose correct alternative. The best material for making resistance ...
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- Choose correct alternative. An electric cable contains a single copp...
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- Choose correct alternative. The emf of a cell of negligible internal...
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