Match the following 

	Currents		r.m.s. values
(a)	${\mathrm{x}}_0\mathrm{sin\omega }\mathrm{t}$	(i)	x0
(b)	${\mathrm{x}}_0\mathrm{sin\omega }\mathrm{tcos\omega }\mathrm{t}$	(ii)	$\frac{{\mathrm{x}}_0}{\sqrt{2}}$
(c)	${\mathrm{x}}_0\mathrm{sin\omega }\mathrm{t}+{\mathrm{x}}_0\mathrm{cos\omega }\mathrm{t}$	(iii)	$\frac{{\mathrm{x}}_0}{\left(2\sqrt{2}\right)}$

	(a)	(b)	(c)
(1)	i	ii	iii
(2)	ii	iii	i
(3)	i	iii	ii
(4)	iii	i	ii

• A

  1

• B

  2

• C

  3

• D

  4