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PUNJAB BOARD PREVIOUS YEAR PAPERS-Electric Current, Resistance and E.M.F. -Exercise
- How many electrons pass through alamp inone minute if current flowing ...
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- How does the conductivity of metals varies with the rise in their temp...
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- Why Eureka metal is used to make standard resistance coil?
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- Why copper is used to make connecting wires ?
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- How does the conductivity of semi-conductors varies with the rise in t...
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- Why Manganin is used to make standard resistance coil ? How does the e...
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- Define one Ampere of current.
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- What is the resistance of an ideal voltmeter and an ammeter?
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- The specific resistance of a conductor increases with Increase in temp...
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- The specific resistance of a conductor increases with Increase in cros...
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- The specific resistance of a conductor increases with Decrease in leng...
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- The specific resistance of a conductor increases with Increase in cros...
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- Why the fuse wire should have high resistance and low melting point?
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- Why the fuse wire should have high resistance and low melting point?
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- A fuse wire is a wire of Low resistance and high melting point.
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- Why the fuse wire should have high resistance and low melting point?
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- One kilowatt hour is equal to
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- Which out of the following is used to make standard resistance
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- The rings on carbon resistance have colours in the sequence Red,Yellow...
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- With increase in temperature, resistance of metals :
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