Thursday, June 12, 2008

saja test

1 comment:

Ida said...

Boleh tak saya nak tahu jawapan bagi soalan di bawah.(berserta Jalan Pengiraan)hehehe.....

A sinussoidal alternating voltage of 50Hz has r.m.s value of 200V.
i) the equation?
ii) the instantaneous value when t=0.0125s
iii) the time measured when the instantaneous value is 141.4V

saya dapat jawapan bagi :
i) V=Vp sin (omega t + teta)
ii)180.20V
iii) tak dapat lagi

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Thank You En. Harizan