问题 填空题

把一电量为q=10-10 C的检验电荷放入某一电场中A点,具有电势能为10-8 J,则该点电势为_____________V。若在该点放入另一电荷q=-10-10 C,则该点电势为_____________V。

答案

100,100

问答题

一、已知资料

1.信用证

SEQUENCE OF TOTAL *27: 1/1

FORM OF DOC CREDIT *40A: IRREVOCABLE

DOC. CREDIT NUMBER *20: 5715255123

DATE OF ISSUE 31C: 090312

DATE AND PLACE OF EXPIRY *31D: 090615 IN CHINA

APPLICANT *50: MAMUT ENTERPRISESAV

TARRACONA75-4

BARCELONA. SPAIN

BENEFICIARY *59: XIAMEN HONCYUN CORPORATION

223 GANXIANC ROAD

XIAMEN. CHINA

AMOUNT 32B: CURRENCY USD AMOUNT 25560.00

AVAIL ABLE WITH/BY 41D: ANY BANK IN CHINA

BY NECOTIATION

PARTIAL SHIPMENTS 43P: ALLOWED

TRANSSHIPMENT 43T: NOT ALLOWED

LOADING ON BOARD 44A: XIAMEN

FOR TRANSPORTATION TO 44B: BARCELONA(SPAIN)

LATEST DATE OF SHIPMENT 44C: 090601

DESCRIPT OF GOODS 45A: HAND TOOLS

AS PER PROFORMA INVOICE NO. 56941

CFR BARCELONA

DOCUMENTS REQUIRED 46A:

SIGNED COMMERCIAL INVOICE, 3 FOLD

PACKING LIST, 3 FOLD.

FULL SET CLEAN ON BOARD OCEAN BILL OF LADING ISSUED TO THE ORDER

OF SHIPPER, MARKED FREIGHT PREPAID AND NOTIFY APPLICANT.

CHARCES 71B: ALL BANKING CHARGES OUTSIDE

SPAIN ARE FOR ACCOUNT OF

BENEFICIARY.

PERIOD FOR PRESENTATION 48: DOCUMENTS MUST BE PRESENTED

WITHIN 15 DAYS AFTER THE DATE

OF SHIPMENT BUT WITHIN THE

VALIDITY OF THE CREDIT

2.补充资料:

(1)INVOICE NO. JSC096814

(2)PACKING G.W/kgs N.W/kgs MEAS/(m3)

HAND TOLLS

ART01: Packed in 1 wooden case of 1500 pcs each 1380/case 1730/case 0.4/case

ART02: Packed in 1 wooden case of 1000 pcs each 1030/case 1020/case 0.3/case

Packed in ONE 20’ CONTAINER(集装箱号:TEXU2263978)

(3)唛头:HAND TOOLS

BARCELONA

C/NO. 1-5

(4)金发编号:JF0387458

(5)人民币账号:RMB06128614

(6)生产厂家:厦门工具厂

二、根据已知资料缮制托运单

判断题