You are given a resistance coil and a battery. In which of the following cases is largest amount of heat generated?

Which of the following has largest resistance ?

Which of the following units represents largest amount of energy?

Which of the following units represent largest amount of energy?

Your are given resistance wire of length 50 cm and a battery of negligible resistance. In which of the following cases is the largest amount of heat generated?

Your are given resistance wire of length 50 cm and a battery of negligible resistance. In which of the following cases is the largest amount of heat generated?

Which of the following units represent the largest amount of energy?