A fuse wire of circular cross-section has a radius of 1mm. This wire blows at a current of 8A. Find the radius of the fuse wire which will blow off when a current of 1A passes through it.

A fuse with a circular cross-sectional radius of 0.15 mm blows at 15A. What is the radius of a fuse, made of same material which will blow at 120 A?

A fuse with a circular cross-sectional radius of 0.15mm blows at 15A. What should be the radius of cross-section of a fuse made of the same material which will blow at 30A?

A fuse wire with a circular cross-section and having a diam eter of 0.4mm blows with a current of 3 ampere. The value of current for which another fuse wire made of the same material but having circular co rss-section with diameter of 0.6mm will blow is:-

A fuse with a circular cross - sectional radius of 0.15 mm blows at 15 A . What should be the radius of the cross section of a fuse made of the same material that blows at 30 A ?

A long straight wire of circular cross- section carries a current along its length. On the axis inside the wire, it follows that

Two fuse wires are made of the same material . The radius of first and second wires are r_(1) = 2mm and r_(2)= 4mm . The first wire blows when a current of 15A passes through it. Find the current required to blow the second wire.

A fuse wire with radius 1 mm blows at 1.5 amp . The radius of the fuse wire of the same material to blow at 3 A will be

If a fuse wire of certain material blows at 10 A current, then what should be the radius of the fuse wire made from same material which blows at 20 A ?

A fuse wire with radius of 0.2mm blows off with a current of 5 Amp. The fuse wire of same material,but of radius 0.3 mm will blow off with a current of (1) 5xx(3)/(2)Amp (2). (5sqrt(3))/(2)Amp (3). 5sqrt((27)/(8))Amp (4). 5 Amp

A wire made of aluminum having resistivity rho = 2.8 xx10^(-8) Omega - m with a circular cross - section and has a radius of 2xx10^(-3) m. A current of 5 A flows through the wire . If the voltage difference between the ends is 1 V , the length of the wire in m is