Unit of self inductance is                                              [Only for droppers]

(1) Newton-secondCoulomb×Ampere

(2) Joule/Coulomb×SecondAmpere

(3) Volt×metreCoulomb

(4) Newton×metreAmpere

Concept Questions :-

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To determine Young's modulus of a wire, the formula is Y=FA×LΔL; where L = length, A = area of cross-section of the wire, ΔL=change in length of the wire when stretched with a force F. The conversion factor to change it from CGS to MKS system is

(1) 1

(2) 10

(3) 0.1

(4) 0.01

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Young's modulus of a material has the same units as

(1) Pressure

(2) Strain

(3) Compressibility

(4) Force

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One yard in SI units is equal :

(1) 1.9144 metre

(2) 0.9144 metre

(3) 0.09144 kilometre

(4) 1.0936 kilometre

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Which of the following is smallest unit

(1) Millimetre

(2) Angstrom

(3) Fermi

(4) Metre

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Which one of the following pairs of quantities and their units is a proper match

(1) Electric field – Coulomb/m

(2) Magnetic flux – Weber

(3) Power – Farad

(4) Capacitance – Henry

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The units of modulus of rigidity are

(1) Nm

(2) N/m

(3) Nm2

(4) N/m2

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The unit of absolute permittivity is

(1) Fm (Farad-metre)

(2) Fm1 (Farad/metre)

(3) Fm2 (Farad/metre2)

(4) F (Farad)

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List-I

I. Joule

II. Watt

III. Volt

IV. Coulomb

 

 

List-II

A. Henry × Amp/sec

B. Farad × Volt

C. Coulomb × Volt

D. Oersted × cm

E. Amp × Gauss

F. Amp2 × Ohm

 Codes:                                                                                        [Only for droppers]

(1) IA,IIF,IIIE,IVD

(2) IC,IIF,IIIA,IVB

(3) IC,IIF,IIIA,IVE

(4) IB,IIF,IIIA,IVC

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Which relation is wrong

(1) 1 Calorie = 4.18 Joules

(2) 1Å=1010m

(3) 1  MeV=1.6×1013Joules

(4) 1Newton=105Dynes

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