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SURA PUBLICATION-ELECTRICITY-ADDITIONAL QUESTIONS & ANSWERS (Fill in the blanks)
- When a 40 V battery is connected across an unknown resistance, there i...
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- The resistance of a conductor directly proportional to .
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- Nichrome is an alloy of and Chromium.
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- The graph between V and I is for a conductor.
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- of a material which oppose the flow of current in a conductor.
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- Resistance is for different materials.
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- When the current is doubled , the area of cross section is .
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- When the length of the conductor is doubled , the current becomes.
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- A conductor with highest resistivity is used in.
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- The reciprocal of the reistance is
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- Resistivity is for a given material.
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- The unit of specific resistance is .
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- Conductivity is for conductors than insulators.
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- is represented by Joule/coulomb.
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- LED stands for.
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- is used to select the magnitude of current through a circuit.
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- A voltmeter is used to measure the .
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- Electric charges flows from a electric potential to a electric poten...
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- The SI unit of is ampere.
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- The motion of electric charges is called
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