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Three rodsP,Q and R having, samearea of ...

Three rodsP,Q and R having, samearea of cross section and lengths are connected with each other as shown in figure. The rod through which no heat will flow is (Thermal conductivities of rods P,Q,andR are 2k,4k and 2k respectively)

A

P

B

Q

C

R

D

Heat will flow through all the rods

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AAKASH INSTITUTE ENGLISH-TEST 1-EXERCISE
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  2. If a diaelectric material of dielectric constantepsilonr is completely...

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  3. Two identical electric dipoles of dipole moments p are placed as shown...

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  4. Four point charges each of magnitude Q and mass m are moving on circul...

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  5. Positive charge is uniformly distrubuted with volume charge density rh...

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  6. A wire AMB is placed along y-axis having linear charge density lambda ...

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  7. Two identical point charges are placed at A and B. The potential diffe...

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  8. The magnitude electric potential difference between A and B for a give...

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  9. The uniform electric field is along positive y-axis positive x axis ...

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  10. A short electric dipole having dipole moment overline rho is placed a...

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  11. There are three conducting concentric spherical shells having charges ...

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  12. there are two concentric metallic shells of radii R and 2R, if outer ...

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  13. An uncharged metallic solid sphere of radius R is placed at a distance...

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  14. There are two concentric conducting spherical shells of radii 10 cm an...

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  15. A parallel plate capacitor (not connected with battery) have charge Q0...

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  16. An arrangement of five identical capacitors are shown in given circuit...

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  17. A parallel plate capacitor charged to potential difference V0 . The va...

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  18. The area of cross section of a uniform cylindrical conducting wire is ...

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  19. Which one of the following relations is incorrect ? ( Symbols have the...

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  20. If two conducting wires Aand B of same dimensions have electron densit...

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  21. A current carrying conductor is connected with a cell, after some time...

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