Question

amount of heat produced can be increased by-
1. increasing the voltage
2. decreasing the amount of water
3.changing the thermometer.
4.Incresing the length of the coil.
the correct option is-
a) 1 and 4
b)2 and 3
c) only 1
d) 3and 4​

Answer 1

Answer:

C

Heat H = I^2RT

If voltage increase then current increase and also heat increased.

Answer 2

Answer:

C is your answer

Explanation:

by increasing voltage the temperature increases

hope it helps you