Two fuse wires have ratings of 10 A - 13 A-A- 10 A fuse wire will be thicker- assuming same lengthB- 13A fuse wire will be thicker- assuming same lengthC- Both will have same thickness and lengthD- Both will have same thickness but 10 A fuse will be longerE- Both will have same thickness but 13 A fuse will be longer

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Fuses

Two fuse wire...

Question

Two fuse wires have ratings of 10A & 13A.

10A fuse wire will be thicker, assuming same length

No worries! We‘ve got your back. Try BYJU‘S free classes today!

13A fuse wire will be thicker, assuming same length

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Both will have same thickness and length

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both will have same thickness but 13A fuse will be longer

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both will have same thickness but 10A fuse will be longer

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
13A fuse wire will be thicker, assuming same length

Thicker wires have a smaller resistance as R_wire is inversely proportional to the Area of cross –section of the wire. Thus, 13A fuse wire is thicker than 10A fuse wire because its resistance should be smaller than that of 10A fuse wire.

Suggest Corrections

Similar questions

Q. Four fuse wires are made of different materials. If they are of the same length and thickness, the fuse wire made of which among the following materials will have the highest current carrying capacity?

Q. Two fuse wire A and B of the same length are rated 15A and 5A. Which amongst the A and B will be thicker and why?

Q. Two fuse wires of the same length are rated 5 A and 20 A.Which of the fuse wires is thicker and why ?

Q. A fuse wire with radius

1 m m

blows at

1.5 A

. The radius of the fuse wire of the same material to blow at

3 A

will be:

Question 18

Paheli took a wire of length 10 cm. Boojho took a wire of 5 cm of the same material and thickness. Both of them connected the wires as shown in the circuit given in Figure. The current flowing in both the circuits is the same.
(i) Will the heat produced in both the cases be equal? Explain.
(ii) Will the heat produced be the same if the wires taken by them are of equal lengths but of different thickness? Explain.

Join BYJU'S Learning Program