Unit of magnetic moment is

(1) $Ampere\text{​}-\text{​}metr{e}^{2}$

(2) $Ampere\text{​}-\text{​}metre$

(3) $Weber\text{​}-\text{​}metr{e}^{2}$

(4) $Weber\text{​​}/\text{​}metre$

Concept Questions :-

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Curie is a unit of

(1) Energy of $\gamma$-rays

(2) Half life

(4) Intensity of $\gamma$-rays

Concept Questions :-

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Hertz is the unit of

(1) Frequency

(2) Force

(3) Electric charge

(4) Magnetic flux

Concept Questions :-

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Difficulty Level:

One pico Farad is equal to

(1) ${10}^{-24}F$

(2) ${10}^{-18}F$

(3) ${10}^{-12}F$

(4) ${10}^{-6}F$

Concept Questions :-

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In SI, Henry is the unit of

(1) Self inductance

(2) Mutual inductance

(3) (1) and (2) both

(4) None of the above

Concept Questions :-

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The unit of $e.m.f.$ is

(1) Joule

(2) Joule-Coulomb

(3) VoltCoulomb

(4) Joule/Coulomb

Concept Questions :-

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Unit of self inductance is                                              [Only for droppers]

(1) $\frac{Newton-\mathrm{sec}ond}{Coulomb×Ampere}$

(2) $\frac{Joule/Coulomb×Second}{Ampere}$

(3) $\frac{Volt×metre}{Coulomb}$

(4) $\frac{Newton×metre}{Ampere}$

Concept Questions :-

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To determine Young's modulus of a wire, the formula is $Y=\frac{F}{A}×\frac{L}{\Delta L};$ where L = length, A = area of cross-section of the wire, $\Delta L=$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

Concept Questions :-

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

(1) Pressure

(2) Strain

(3) Compressibility

(4) Force

Concept Questions :-

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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