MCQ
The unit of magnetic moment is
- A$Wb/m$
- B$Wb.{m^2}$
- C$A.m$
- ✓$A.{m^2}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

where $x=$ displacement at time $t$
$\omega =$ frequency of oscillation
Which one of the following graphs shows correctly the variation $a$ with $t$ ?
Here $a=$ acceleration at time $t$
$T=$ time period

$(A)$ $E_A^{\text {lnside }}=0$
$(B)$ $Q_A > Q_B$
$(C)$ $\frac{\sigma_A}{\sigma_B}=\frac{R_B}{R_A}$
$(D)$ $E_A^{\text {on sulface }} < E_B^{\text {on uurface }}$