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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