Question

the potential diffenrence difference between the terminals of an electric heater is 100v when it draws a current of 4A from the source. what current will th ehaeter draw if th epotential difference is increase to 250v

Answer 1

Answer:

this one power of instrument is fixed

Answer 2

Answer: Let us first calculate the resistance of the heater.

Ohm's law says

V = IR

=> R = V/I ; R = 100/4 = 25ohm

Now new voltage is 250 V

Again V = IR

=> I = V/R ; I = 250/25 = 10A.

Please mark brainliest answer was helpful.