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CHETANA PUBLICATION-ELECTRIC CURRENT THROUGH CONDUCTORS-EXERCISE
- 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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- Choose correct alternative. The length of four wires are in the rati...
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- Choose correct alternative. A potential difference of 20 V is applie...
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- Choose correct alternative. A wire emits 80 J energy in 10 second wh...
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- Choose correct alternative. 40 mA current flows for 40 second in a w...
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- Choose correct alternative. The radiusof a copper wire is doubled.It...
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- Choose correct alternative. The equivalent resistance of resistors i...
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- Choose correct alternative. Conductivity is the reciprocal of
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- Choose correct alternative. Given a current carrying wire of non-uni...
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- Choose correct alternative. Overloading of an electric circuit impli...
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- Choose correct alternative. The terminal voltage across a cell is mo...
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