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CHETANA PUBLICATION-ELECTRIC CURRENT THROUGH CONDUCTORS-EXERCISE
- Explain hydrogen fuel cell vehicles are more environment friendly
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- Distinguish between cells in series and cells in parallel.
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- Distinguish between primary cells and secondary cells.
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- Find the steady curent flowing through a metal wire when 3 xx 10^8 ele...
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- A current of 800 mA is passed through an electric lamp for one minute....
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- Write down in order the colours of bands for the following carbon resi...
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- 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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