你可能感兴趣的试题
2.2A,484W,2.2sin314t 2.2A,242W,2.2sin314t 3.11A,484W,3.11sin314t 3.11A,967W,3.11sin314t
i(t)=sin(314t+90°)A i(t)= √2 sin(314t+90°)A i(t)=cos(314t+90°)A i(t)= √2 cos(314t+90°)A
10 sin (314t+53.1 °) 10 sin (314t+36.9 °) 10sin (314t+53.1 °) 10sin (314t+36.9 °)
i(t)=sin(314t+90°)A i(t)= √2 sin(314t+90°)A i(t)=cos(314t+90°)A i(t)= √2 cos(314t+90°)A
i=141sin314t i=7.07sin(314t-90o) i=10sin314t I=5sin314t
用电流表测该电流其示数为14.1A. 该交变电流的频率为50 Hz 该交变电流通过10 Ω电阻时,电阻消耗的电功率为1 000W. 该交变电流瞬时值表达式为i=14.1sin 628tA.
i=0.4sin(100πt-π/6) i=0.4sin(100πt+5/6π) i=0.4sin(100πt+π/6) i=0.4A
I=28.8∠30°A I=20∠30°A I=28.8∠120°A I=28.8∠0°A