CHETANA PUBLICATION-ELECTRIC CURRENT THROUGH CONDUCTORS-EXERCISE
- Two wires A and B of the same material are of uniform cross-section. W...
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- Resistance are connected between the points A and B as shown. Find the...
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- Two resistances connected in series have an effective value of 20 Omeg...
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- A wire has a resistance of 6 Omega at 30^@C and 6.5 Omega at 100^@C. D...
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- A Cell sends a current of 0.5 A through a 2 Omega resistance. If the r...
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- A wire of circular cross-section and 25 Ω resistance is uniformly stre...
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- Through a coil of wire of resistance 42 Omega, a current of 2A is pass...
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- 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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