One pico Farad is equal to
1. 10−24F10−24F
2. 10−18F10−18F
3. 10−12F10−12F
4. 10−6F10−6F
In SI, Henry is the unit of
1. Self inductance
2. Mutual inductance
3. (1) and (2) both
4. None of the above
The unit of e.m.f.e.m.f. is
1. Joule
2. Joule-Coulomb
3. Volt–Coulomb
4. Joule/Coulomb
Unit of self inductance is [This question includes concepts from 12th syllabus]
1. Newton-secondCoulomb×AmpereNewton−secondCoulomb×Ampere
2. Joule/Coulomb×SecondAmpereJoule/Coulomb×SecondAmpere
3. Volt×metreCoulombVolt×metreCoulomb
4. Newton×metreAmpereNewton×metreAmpere
To determine Young's modulus of a wire, the formula is Y=FA×LΔL;Y=FA×LΔL; where L = length, A = area of cross-section of the wire, ΔL=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
Young's modulus of a material has the same units as
1. Pressure
2. Strain
3. Compressibility
4. Force
One yard in SI units is equal :
1. 1.9144 metre
2. 0.9144 metre
3. 0.09144 kilometre
4. 1.0936 kilometre
Which of the following is the smallest unit?
1. Millimetre
2. Angstrom
3. Fermi
4. Metre
Which one of the following pairs of quantities and their units is a proper match?
1. Electric field – Coulomb/mCoulomb/m
2. Magnetic flux – WeberWeber
3. Power – Farad
4. Capacitance – Henry
The units of modulus of rigidity are
1. N−mN−m
2. N/mN/m
3. N−m2N−m2
4. N/m2N/m2