A magnetising field of 300 Am-1 produces a magnetic flux density (B) = 0.3 T in a ferromagnetic material. What is its permeability in Tm A is? - VgyanHub

Question:

A magnetising field of 300 Am-1 produces a magnetic flux density (B) = 0.3 T in a ferromagnetic material. What is its permeability in Tm A is ?

Screenshot 2025-01-07 142959

Options :

(a) 600
(b) 300
(c) 1 / 600
(d) 1 /300

Answer :

Ans :- (c) 1 / 600

Answer Steps :

Step 1:

Video Tutorial

Related Questions

An alternating voltage source is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is:

A 1 µF condenser is charged to 50 V. The charging battery is then disconnected and a 10 mH coil is connected across the capacitor so that LC oscillations occur. What is the maximum current in the coil ? Assume that the circuit contains no resistance. The capacity of a pure capacitor is 1 F. In d.c. circuits, its effective resistance will be

In an a. c. circuit the instantaneous current and e.m.f. are represented as: I = I0 sin(ωt – π/6) and E = E0 sin(ωt + π /3) respectively. The voltage leads the current by

Explore Our Courses