Mobile phones, laptops, and televisions are all electronic devices that are used for communication, entertainment, or information purposes.
On the other hand, a transformer is an electrical device used to transfer electrical energy between circuits, and it doesn’t belong to the same category as the other items.
Thus, the correct answer is (a) 1, 2 and 3, as these are all electronic devices used by consumers for different purposes.
Shown below on the left are two views of a bent wire. Which option is the top view of the wire?
The diagram below shows a river system consisting of 7 segments, marked P, Q, R, S, T, U, and V. It splits the land into 5 zones, marked Z1, Z2, Z3, Z4, and Z5. We need to connect these zones using the least number of bridges. Out of the following options, which one is correct? Note: