1、 22 1 (2016 ) ( C ) A B C D 2 ( D ) A B C D 3 (2016 ) 1 kg 3 min 3J B ) A 3 B 4 (2016 ) 1 600 ( D ) A B C 10 A D 2 min 32 600 W 5 (2016 ) L L R S L 1.8 W _6_V R _0.6_A 6 (2016 ) R 5 R 10 _ _ 0.3 A 1 min _27_J 7 (2016 ) c 3J/ (1) (2) (3) (4) 80% (3) (1)I P U 2 200 W 220 V 10 A (2)m 3kg/m 3 1 10 3m 3
2、1 kg (3)Q cm(t t0) 3J/ 1 kg 5J (4)W Q 1.848 10 5J 80% 5J t W P 2.31 10 5J 2 200 W 105 s 8 (2016 ) 220 V 0.3 kg R1 R2 (1) _ _ ( ) (2) _5_A _8.9_A 8.2 A ( ) (3) (4) 0.22 kg c 3J/ (3) 5 A P UI 1 100 W R1 R2 I U R U R1 R2 220 V 56 220 V 100 2.2 A P UI 2.2 A 484 W (4) Q cm(t t0) 10 3J/ 0.22 kg 6.93 10 4J
3、 P W t t W P Q P 6.93 10 4J 1 100 W 63 s 9 (1) (2) 1 kg (3) c 3J/ (1) P UI U 2 R R U 2 P 220 V 2 1 000 W (2)Q cm(t t0) 3J/ 5J (3)Q Pt t Q P 3.36 10 5J 1 000 W 336 s 10 (2016 ) R1 R2 U I /A 0.1 0.3 0.4 0.5 /V 2.5 1.5 1.0 0.5 (1) R2 (2) (3) 0.2 A UDE _2_V_ UEF _0.5_V_ (4) 0.4 A UDF _2_V_ 50 s R1 R2 (1) R2 I 0.7 A U 1.75 V I U R R U I R2 U I 1.75 V 0.7 A (4) W UIt 40 J
