The rms value of an ac current of 50Hz is 10amp. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be,
(a) 2 × 10–2 sec and 14.14 amp
(b) 1 × 10–2 sec and 7.07 amp
(c) 5 × 10–3 sec and 7.07 amp
(d) 5 × 10–3 sec and 14.14 amp