Question
Unit of relative permeability is:
✓
Answer
(b) without unit
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Atomic weight of boron is $10.81$ and it has two isotopeses $5^{8^{10}}$ and $5^{8^{11}}$. Then ratio of $5^{8^{10}}: 5^{8^{11}}$ in nature would be
→The outer sphere of a spherical air capacitor is earthed. For increasing its capacitance(a) Vacuum is created between two spheres(b) Dielectric material is filled between the two spheres(c) The space between two spheres is increased(d) The earthing of the outer sphere is removed
Three capacitors of capacity $C_1, C_2, C_3$ are connected in series. Their total capacity will be
→In the circuit shown, the value of each resistance is $r,$ then equivalent resistance of circuit between points $A$ and $B$ will be
→An electron moves along the line$ AB,$ which lies in the same plane as a circular loop of conducting wires as shown in the diagram. What will be the direction of current induced if any, in the loop
→One bar magnet is kept in the direction of north-south such that its north pole is towards north.The direction of points of zero magnetic field is towards which side of the centre of the magnet:
Which of the following increases the maximum kinetic energy of the photoelectrons emitted?
The mass of the electron varies with(a) The size of the cathode ray tube(b) The variation of ‘g’(c) Velocity(d) Size of the electron
To deposit one gm equivalent of an element at an electrode, the quantity of electricity needed is(a) One ampere(b) 96000 amperes(c) 96500 farads(d) 96500 coulombs
A 50 turns circular coil has a radius of 3 cm, it is kept in a magnetic field acting normal to the area of the coil. The magnetic field B increased from 0.10 tesla to 0.35 tesla in 2 milliseconds. The average induced e.m.f. in the coil is(a) 1.77 volts(b) 17.7 volts(c) 177 volts(d) 0.177 volts