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Y(ji)(gu)̎A(ch)ԇ}

r(sh)g2024-08-18 16:24:43 Y(ji)(gu)̎ ҪͶ

Y(ji)(gu)̎A(ch)ԇ}

Y(ji)(gu)̎Ĉ(bo)r(sh)gÿ4·֮ǰYJBYSС鿼ĽY(ji)(gu)̎A(ch)ԇ}҅W(xu)(x)A(y)俼ɹ

Y(ji)(gu)̎A(ch)ԇ}

1. һԴ늄(dng)(sh)225V(ni)2.5Ω·ɔ(sh)K“220V40W”늟M Ҫʹ늟l(f)⣬tͬr(sh)ʹ( B )K

A5; B11; C25; D40

2. ҽ늵ֵЧֵ( B )

A ; B ; C ; D

3. ڼ늸н·늉ǰ( D )90°

A; B늸; C늉; D

4. ͨČ(do)wڴň(chng)ܵãķ( C )_

At;Bֶt;Cֶt;Dֶ

5. (dng)Ȧcň(chng)l(f)(du)\(yn)(dng)r(sh)ڌ(do)Юa(chn)Б(yng)늄(dng)(sh)늄(dng)(sh)ķ( C )(li)_

Aֶt;Bֶt;Ct;Dͬr(sh)á

6. (du)QԴBӕr(sh)늉( A )

A늉;B2늉;C3늉;D 늉

7. (du)QԴB늉( B )

A늉;B 늉;C~~;D2늉

8. ֱ·҂Դһ˽Դ( B )

AO; Bؓ(f)O; C늉; D늄(sh)

9. 늉˲r(sh)ֵ_(d)ʽքeu=220sin(ωt-10°)i=5sin(ωt-40°)ô( B )

A늉40°;B늉30°;

C늉ǰ50°;D늉ǰ30°

10. ɿعbǿ׃( C )(li)׃ݔ늉ġ

AԴ늉;Bݔֱ;Cɿع|l(f)ƽ;Dؓ(f)dС

11Dʾ·УUS=10V_(ki)P(gun)S]Ϻ··](mi)аl(f)B(ti)^(gu)ԭ( )

A:ֱ(l)·ֱ·푑(yng)Sr(sh)g׃

B:·](mi)аl(f)Q·

C:_(ki)P(gun)S]ǰăɂ(g)(wn)B(ti)늸US/R1

D:·ֻ늸c](mi)Ԫ

:C

12(du)ڷ(wn)B(ti)ҽ·f(shu)_( )

A:(dng)ԪRLC“(lin)r(sh)˿ڿ늉Чֵһÿ(g)Ԫ늉Чֵ

B:(dng)ԪRLC“(lin)r(sh)LC֧·(sh)H

C:(du)ڸ·(dng)Դlfr(sh)pС

D:(dng)RLC“(lin)·Cr(sh)·_(d)Сֵ

:B

:“(lin)C

13һ@MԴ׃ԭ߅@MU1=220VN1=880߅Ѓɂ(g)@MքeݔU21=36VU22=12V(dng)քeP21=120WP22=100Wؓ(f)dr(sh)׃pԭ@Mе ( )

A:3A

B:1A

C:2.1A

D:0.28A

:B

15ҽ·ˆDʾ(du)Qؓ(f)dӳ֪Դ늉UL=220Vÿ迹Z=15+j16.1Ω(dng)AB·r(sh)x(sh)( )

A:10A

B:5A

C:17.3A

D:8.6A

:A

:P(gun)ϵ

16һ_(ti)늄(dng)C(j)\(yn)c(din)ӵصĵ͉ϵy(tng)УT⚤(do)|¹¹ʵԭ( )

A:ݔ늙C(j)ăԴ·(do)™C(j)

B:ݔ늙C(j)ijԴ늙C(j)δȡ^(gu)do(h)

C:늙C(j)ij^p늙C(j)δȡӵرo(h)

D:늙C(j)ij^p늙C(j)ȡ㱣o(h)

:D

17(du)Qؓ(f)dӳBʞ2.4kw(sh)0.6֪Դ늉UL=380Vͨ^(gu)ؓ(f)d( )

A:6.08A

B:3.51A

C:10.53A

D:8.24A

:B

18往늙C(j)£(du)(du)Qؓ(f)d͆ؓ(f)d(li)v_İȫo(h)ʩ( )

A:ؓ(f)do(h)ӵؓ(f)do(h)PE

B:ؓ(f)do(h)ؓ(f)do(h)PE

C:ؓ(f)d͆ؓ(f)do(h)

D:ؓ(f)d͆ؓ(f)do(h)PE

:D

:往늙C(j)£оǽӵصʹ@NԴκO(sh)䲻So(h)ӵA(du);ڴچؓ(f)dr£·Dz(du)Q@r(sh)еO(sh)䑪(yng)o(h)PEֻx(xing)D_

19^һ|УֻҪ|Ȧͨ|̈́(dng)ʹ( )

A:_(ki)|^ͳ]|^]늄(dng)C(j)\(yn)D(zhun)

B:_(ki)|^]o_(ki)|^_(ki)늄(dng)C(j)\(yn)D(zhun)

C:_(ki)|^o_(ki)|^]ϣ늄(dng)C(j)\(yn)D(zhun)

D:_(ki)|^o_(ki)|^_(ki)늄(dng)C(j)ͣD(zhun)

:C

20늄(dng)C(j)^늽|·ж·o(h)^(gu)do(h)Ƿo(h)г̱o(h)УҪͬr(sh)·Ϳ·еıo(h)( )

A:^г_(ki)P(gun)

B:۔г_(ki)P(gun)

C:|г_(ki)P(gun)

D:|͟^

:C

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