Question

solve attachment no spam​

Answer 1

Explanation:

1) P= V²/R

R=V²/P

= 250×250/1500

= 125/3

I = V/R

=250÷125/3

=6 A

2) E = VIt

= 250× 6 × t

=1500× 50× 60×60

= 27× 10^7 J

3)cost = 27× 10^4 × 2.2

= ₹59.2×10^4

pls tell me if they are correct