Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): Generally an alloy of lead and tin is used as a material of the fuse wire. Reason (R): Alloy of lead and tin has a higher melting point than copper and aluminium. Select the correct answer from the code given below:

Which one among the following statements regarding the electrical resistivity of a conducting wire is correct?

Which one among the following statements related to electric cells is correct?

Which of the following is the resistance of the wire ?

Energy consumed in a home is 250 units then the total energy in Joule will be:

What is the device to protect equipments from the electric shock?