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Which of the following materials is the ...

Which of the following materials is the best conductor of electricity ?

A

Platinum

B

Gold

C

Silicon

D

copper

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The correct Answer is:
B
Gold
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-CURRENT ELECTRICITY-EXERCISE 1
  1. All the edges of a block with parallel faces are unequal. Its longest ...

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  2. Two copper wire of length l and 2l have radii, r and 2r respectively. ...

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  3. Which of the following materials is the best conductor of electricity ...

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  4. Electric field (E) and current density (J) have relation

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  5. The temperature (T) dependence of resistivity (rho) of a semiconductor...

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  6. A current 4.0 A exist in a wire of cross-sectional area 2.0 mm^(2). If...

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  7. A wire of resistance R is elongated n-fold to make a new uniform wire....

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  8. The four colours on a resistor are: brown, yellow, green and gold as r...

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  9. The resistance will be least in a wire with length, cross-section area...

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  10. A wire has resistance of 10Omega. If it is stretched by 1/10th of its ...

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  11. If resistivity of copper conductor is 1.7xx10^(-8) Omega -m and electr...

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  12. A wire is stretched so as to change its diameter by 0.25% . The percen...

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  13. A potential difference of 100 V is applied to the ends of a copper wir...

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  14. If power dissipated in the 9 Omega resistor in the resistor shown is 3...

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  15. The effective resistance between points A and C for the network shown ...

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  16. A resistor of 6k Omega with tolerance 10% and another resistance of 4k...

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  17. In the circuit given E = 6.0 volt, R(1) = 100Omega, R(2) = R(3)=50Omeg...

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  18. The circuit in figure, where there are three resistors R(1),R(2) and R...

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  19. The resistance across R and Q in the figure is

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  20. Two resistances are joined in parallel whose equivolent resistance is ...

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