Question

If the current I through a resistor is increased by 100%(temperature remains unchanged), the increase in power dissipated is,

a) 100%
b) 200%
c) 300%
d) 400%

PLS ANSWER QUICKLY!​

Answer 1

Answer:

(d) 300%

Explanation:

p=I²R

I(n)=I+I= 2I (coz increased by itself)

P = (2I)²R

=4I²R

=4P

4P-P = 3P

hence, 300%

Answer 2

Answer: a) 100 percent

Explanation:

P=VI

According to question, new current is double (as it increases by 100 percent)

Now,

P'=V(2i)

P'=2VI

Therefore,

P'=2P

That is 100 percent