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 mentionedI got this question by my college professor while I was bunking the class.Query is from Speed Control of DC Motors in chapter DC Motors of Electrical Machines

A laboratory group was working with a set of 3-hp shunt DC motor. But

1.	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 mentionedI got this question by my college professor while I was bunking the class.Query is from Speed Control of DC Motors in chapter DC Motors of Electrical Machines
Answer» The CORRECT OPTION is (b) it ran for 3s and fuse was BLOWN To explain I would say: 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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