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Q. |
A laboratory group was working with a set of 3-hp shunt DC motor. But there was a mistake that it was fused with a 0.3A fuse instead 3A fuse. Then it was started |
A. | a flash occurred instantly |
B. | it ran for 3s and fuse was blown |
C. | it ran normal |
D. | none of the mentioned |
Answer» B. it ran for 3s and fuse was blown | |
Explanation: due to the wrong usage of the fuse wire, it could not sustain the current and in few seconds it was blown off. |
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