If the fuse in the plug of a microwave oven is replaced by a copper strip, which of the following may happen?
A. The microwave oven will not operate.
B. The electric current flowing through the microwave oven will be doubled up.
C. The efficiency of the microwave oven becomes higher.
D. A large current may pass through the oven.
If the fuse in the plug of a microwave oven is replaced.....
2007-10-21 5:00 am
回答 (2)
2007-10-22 1:03 am
✔ 最佳答案
The answer is DNotice the use of the word [may].
2007-10-21 8:42 pm
A. The microwave oven will not operate.
ans. almost, YES, subject to size of copper strip. Oven approx. 1000w, BS1361 fuse 10A is to be suitable. HKD 2 or 3 dollars /each
B. The electric current flowing through the microwave oven will be doubled up.
ans. remained unchange; protection term, not operation..
C. The efficiency of the microwave oven becomes higher.
ans. No. (remained unchange..)
D. A large current may pass through the oven.
ans. No. (same current pass through the fuse or strip)
ans. almost, YES, subject to size of copper strip. Oven approx. 1000w, BS1361 fuse 10A is to be suitable. HKD 2 or 3 dollars /each
B. The electric current flowing through the microwave oven will be doubled up.
ans. remained unchange; protection term, not operation..
C. The efficiency of the microwave oven becomes higher.
ans. No. (remained unchange..)
D. A large current may pass through the oven.
ans. No. (same current pass through the fuse or strip)
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