Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same increases decreases None of these remains same increases decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage recovery voltage supply voltage peak voltage restriking voltage recovery voltage supply voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 2.5 A 5 A 1 A more than 5A 2.5 A 5 A 1 A more than 5A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in phase line neutral wire negative of dc circuit positive of dc circuit phase line neutral wire negative of dc circuit positive of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at minimum voltage maximum current maximum voltage zero current minimum voltage maximum current maximum voltage zero current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have high melting point and low specific resistance Low melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
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