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CHETANA PUBLICATION-ELECTRIC CURRENT THROUGH CONDUCTORS-EXERCISE
- Write down in order the colours of bands for the following carbon resi...
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- Find the values of the resistors with the following colour code: Gree...
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- Find the values of the resistors with the following colour code: Grey...
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- Find the resistance of a copper cable of length 8 km, diameter 3mm, if...
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- Calculate the specific resistance of the material of a wire having a r...
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- A current of 0.4 A flows through a lamp, when a P.D. of 230 V is appli...
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- An electric lamp is rated 40 W, 100 V. Find the current in the lamp an...
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- The resistance of a tungsten wire is 1000 Omega at 0^@C and 1045 Omega...
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- The emf of a battery is 21 volt. When it sends a current of 1 ampere t...
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- What current flowing through a resistance coil of 10 ohm would produce...
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- Calculate the heat produced per second by an electric heater connected...
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- 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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