Given below are two statements, in which one is labelled as Assertion (A) and the other as Reason (R): Assertion (A) : A person travelling in a car with closed glass windows and doors is safe from the lightning strike. Reason (R) : Actually a closed car behaves like a hollow conductor, so charges cannot enter inside the car. Select the correct answer using the code given below:

Which of the following statements are correct about the electrical resistance and resistivity of a wire? 1. Both quantities depend on the area of cross-section of the wire 2. Both depend on the tempe…

Of the two bulbs in a house, one glows brighter than the other. In this context which of the following statements is correct?

A fuse is used in main electric supply as a safety device. Which one of the following statements about the fuse is correct?

How many of the following materials can be attracted by a magnet? 1. Plastic 2. Carbon 3. Aluminium 4. Stainless Steel Select the correct answer using the code given below :

Which of the following statements correctly explain the existence of a positive force between two electric charges? 1. Both the charges are positive. 2. Both the charges are negative. 3. Both the cha…