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A rectangular block has dimensions 5 cm ...

A rectangular block has dimensions 5 cm `xx ` 5 cm `xx 10 cm ` . Calculate the resistance measured between (a) two square ends and (b) the opposite rectanglar ends specific resistance of the material is `3.5xx10^(-5)` `Omega` m

A

3

B

4

C

2

D

1

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (CUTTENT ELECTRICITY )
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  2. A hollow cylinder (rho=2.2xx10^(-8)Omega-m) of length 3 m has inner an...

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  3. A rectangular block has dimensions 5 cm xx 5 cm xx 10 cm . Calculate...

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  4. The wires of same dimension but resistivities rho(1) and rho(2) are co...

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  5. Two wires of the same dimensions but resistivities p(1) and p(2) are c...

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  6. Two rods are joined end to end. Both have a cross - sectional ar...

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  7. Resistance of a wire is 8 Omega . It is drawn in such away that it exp...

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  8. Find the value of colour coded resistance shown is fig

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  9. The colour coded resistance of corbon resistance is (Initial three ban...

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  10. The colour coded carbon resistance has three bands. the bands from lef...

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  11. The third band in colour coded resistance represents

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  12. The resistance of the wire is 121 ohm. It is divided into 'n' equal pa...

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  13. When two resistance 10 Omega and 20 Omega are connected in series an...

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  14. When two resistances are connected in series. The effective resistance...

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  15. The resultant resistance of two resistance in series is 50 Omega and i...

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  16. A uniform wire is cut into 10 segments of increasing length. Each segm...

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  17. Two square metal plates A and B are of the same thickness and material...

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  18. Three unequal resistors in parallel are equivalent to a resistance 1Om...

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  19. When 16 wires which are identical are connected in series, the effecti...

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  20. A uniform conductor of resistance R is cut into 20 equal pieces. Half ...

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